好看日韩在线视频免费,日本不卡一区二区三区,三级a全过程在线观看,亚洲精品国产9999久久久久

廣州技創(chuàng)電子設備有限公司
中級會員 | 第14年

13710725812

當前位置:廣州技創(chuàng)電子設備有限公司>>日本橫河YOKOGAWA>>氧分析儀>> ZR22S-B-150-S-F-E-T-M-E-AZR22S-B-150-S-F-E-T-M-E-A氧化鋯氧分析儀

ZR22S-B-150-S-F-E-T-M-E-A氧化鋯氧分析儀

參  考  價面議
具體成交價以合同協(xié)議為準

產品型號ZR22S-B-150-S-F-E-T-M-E-A

品       牌

廠商性質經銷商

所  在  地廣州市

更新時間:2022-07-14 17:15:03瀏覽次數(shù):1153次

聯(lián)系我時,請告知來自 環(huán)保在線
同類優(yōu)質產品更多>
ZR22S-B-150-S-F-E-T-M-E-A氧化鋯氧分析儀:
技術規(guī)格:
氧氣濃度:0.01~100vol%
輸出信號:4~20mA DC,兩點(Z大負載電阻550Ω)
測量量程:0~5vol%或0~100vol%
ZR22S-A-040、ZR22S-A-070、ZR22S-A-100、ZR22S-A-150、ZR22S-A-200

ZR22S-B-150-S-F-E-T-M-E-A氧化鋯氧分析儀

ZR22S-A-040、ZR22S-A-070、ZR22S-A-100、ZR22S-A-150、ZR22S-A-200

ZR22S-B-040、ZR22S-B-070、ZR22S-B-100、ZR22S-B-150、ZR22S-B-200

ZR22S-C-040、ZR22S-C-070、ZR22S-C-100、ZR22S-C-150、ZR22S-C-200

一產品特性

1、技術規(guī)格:
氧氣濃度:0.01~100vol%
輸出信號:4~20mA DC,兩點(zui大負載電阻550Ω)
測量量程:0~5vol%或0~100vol%

2、嵌入式探頭加熱設備可現(xiàn)場更換,降低了維護成本。

3、探頭采用使用壽命長、可靠性高的氧化鋯傳感器。

4、分體型轉換器ZR402G具有LCD觸摸屏,易于操作。

5、一體型ZR202S集探頭和轉換器于一身,以減少配線、管道和安裝成本。6、ZR202S單元采用光學開關,易于現(xiàn)場操作。

7、使用數(shù)字通信(HART)進行遠程維護,降低維護成本。
說明: HARTHART通信基金會的注冊商標。

二、ZR22S產品介紹:

有兩種現(xiàn)場直插式防爆氧化鋯氧分析儀可選用。ZR22S/ZR402G是分體型,由ZR22S防爆探頭和ZR402G非防爆轉換器組成。
ZR202S
是一體型分析儀,集探頭和轉換器于一身。兩種氧化鋯氧分析儀都無需采樣設備,并可直接將探頭安裝在煙道壁或爐體中,以測量煙氣中的氧氣濃度。轉換器顯示鋯池溫度和鋯池電動勢,以及氧氣濃度。該分析儀zui適用于監(jiān)視燃燒,并控制爆炸性環(huán)境下各種工業(yè)爐中的低氧燃燒,如煉油廠、石化廠和天然氣廠。

三、ZR22S選型:

型號

后綴代碼

選項代碼

備注

ZR22S

   

分離式防爆型氧化鋯分析儀,探頭

防爆標準

-A

 

ATEX認證防火 *11

-B

 

FM防爆認證

-C

 

CSA防爆認證

長度

-015

 

0.15m(高溫時使用) *1

-040

 

0.4m

-070

 

0.7m

-100

 

1.0m

-150

 

1.5m

-200

 

2.0m

與氣體接觸材料

-S

 

SUS316

-C

 

Inconel校正氣管的不銹鋼 *7

法蘭 *2

-A

 

ANSI CLASS150-2-RF SUS304

-B

 

ANSI CLASS150-3-RF SUS304

-C

 

ANSI CLASS150-4-RF SUS304

-E

 

DIN PN10-DN50-A SUS304

-F

 

DIN PN10-DN80-A SUS304

-G

 

DIN PN10-DN100-A SUS304

-K

 

JIS 5K-65-FF SUS304

-L

 

JIS 10K-65-FF SUS304

-M

 

JIS 10K-80-FF SUS304

-P

 

JIS 10K-100-FF SUS304

-Q

 

JIS 5K-32-FF(高溫時使用) *3

-R

 

JPI CLASS150-4-RF SUS304

-S

 

JPI CLASS150-3-RF SUS304

-W

 

Westinghouse

參比氣體

-E

 

外部連接(儀表氣) *8

氣體連接螺紋

-R

 

Rc1/4

-T

 

1/4FNPT

連接盒螺紋

-M

 

M20X1.5mm

-T

 

1/2NPT *9

使用手冊

-E

 

英語

――――

-A

 

常項-A

 

/C

Inconel螺釘 *4

/CV

止回閥 *5

/SV

截止閥 *5

/SCT

不銹鋼標牌 *6

/PT

印刷標牌 *6

*1Z021P高溫探頭適配器一起使用。選擇法蘭(-Q

*2 法蘭的厚度取決于他的尺寸。

*3 法蘭的厚度JIS規(guī)格。

*4 使用Inconel 探頭螺釘和U形管。當溫度為600700度時選擇該項

*5 選擇/CV/SV兩者中的一個

*6 選擇/SCT/PT兩者中的一個

*7 建議在被測氣體中含有象Cl2一樣的腐蝕氣體時采用

*8 必須安裝參比氣配管,以便在流量下穩(wěn)定提供參比氣

*9 當選擇代碼-BFM許可證防爆)或-CCSA許可證防爆)時,選擇代碼-T1/2NPT

*10 當選擇-A-E時,確認客戶配套的法蘭配管的內徑

*11 應使用認證的電纜密封套,該密封套滿足或超過EEx Dii B+H2 Ip66要求,當安裝時,提供至少6個嵌入的螺紋接頭,并耐熱,這樣才能用于操作環(huán)境。

四、規(guī)格:

ZR22S/ZR402G

測量對象

燃燒廢氣和混合氣體中的氧氣濃度

測量系統(tǒng)

氧化鋯系統(tǒng)

防爆認證

ZR22S-A (ATEX);EExd II B + H2,Group II,Category 2GDT2,T300
ZR22S-B (FM): Class I
,Division1,Groups B,CD,Class II/III,Division1,Groups EFG,T2
ZR22S-C (CSA): Class I
,Division1,Groups B,CD,Class II/IIIDivision1Groups E,FGT2
ZR22S-D (IECEx): Exd II B + H2
,T2ExtD A21 IP66 T300

氧氣濃度

0.01100vol%

輸出信號

420mA DC,兩點zui大負載電阻550Ω

測量量程

0~5vol%0~100vol%(O2單位為1vol%)量程下任意設定,或部分量程

數(shù)字通信(HART)

250550Ω,取決于回路所連接的現(xiàn)場設備數(shù)多點模式

樣氣壓力

0.15m探頭下,為-0.5+5kPa
爐體中不允許出現(xiàn)壓力波動。

樣氣溫度

0700僅探頭
700
14000.15m探頭和高溫探頭適配器

探頭長度

0.150.4,0.7,1.0,1.52.0m

接點輸出(ZR402G)

四點一點故障安全,常開

接點輸入(ZR402G)

兩點

標定(ZR402G)

方法: 零點氣/量程氣標定
標定模式: 自動,半自動和手動LCD觸摸屏

傳感器結構

等同于NEMA4X/IP66

轉換器結構

室外安裝,等同于NEMA4X/IP66

環(huán)境溫度(ZR22S)

-20+60端子盒-20+150

環(huán)境溫度(ZR402G)

-20+55

參比空氣系統(tǒng)

儀表氣: 50kPa + 爐內壓力
消耗: 1Nl/min

配線連接

ATEX: 1.5mm M201/2 NPT任選其一(2
FM: 1/2 NPT(2

CSA: 1/2 NPT(2

IECEx: 1.5 mm M20
1/2 NPT任選其一(2

電源

85264V AC4566Hz

性能

重復性

設定量程zui大值的±0.5%

線性

設定量程zui大值的±1%

漂移

每月設定量程zui大值的±2%

響應時間

5秒內達到90%響應

五、ZR402G選型:

型號

附加編號

選擇編號

備注

ZR402G

   

分體式氧化鋯氧氣分析儀轉換器

轉換器連接

-P

 

G 1/2

-G

 

Pg13.5

-M

 

M20*1.5mm

-T

 

1/2NPT

顯示

-J

 

日文

-E

 

英文

-C

 

中文

語言

-J

 

日文

-E

 

英文

-C

 

中文

-A

 

總是-A

選項

/HS

用于濕度分析儀(*1

/H

加罩(*3

/SCT

不銹鋼標牌(*2

/PT

印刷標牌(*2

             
*1、在測量濕度時確定/HS

*2、選/SCT/PT選項。

*3、如被擦傷仍能有效防止太陽光。

 選型舉例:

ZR22S-A-40-S-C-E-R-T-E-A、ZR22S-A-40-S-E-E-R-T-E-A、ZR22S-A-40-S-F-E-R-T-E-A
ZR22S-B-40-S-G-E-R-T-E-A、ZR22S-B-40-S-K-E-R-T-E-A、ZR22S-B-40-S-L-E-R-T-E-A
ZR22S-C-40-S-M-E-R-T-E-A、ZR22S-C-40-S-P-E-R-T-E-A、ZR22S-C-40-S-R-E-R-T-E-A
ZR22S-A-40-S-S-E-R-T-E-A、ZR22S-A-40-S-W-E-R-T-E-A、ZR22S-A-70-S-A-E-R-T-E-A
ZR22S-A-70-S-B-E-R-T-E-A、ZR22S-A-70-S-C-E-R-T-E-A、ZR22S-A-70-S-E-E-R-T-E-A
ZR22S-B-70-S-F-E-R-T-E-A、ZR22S-B-70-S-G-E-R-T-E-A、ZR22S-B-70-S-K-E-R-T-E-A
ZR22S-C-70-S-L-E-R-T-E-A、ZR22S-C-70-S-M-E-R-T-E-A、ZR22S-C-70-S-P-E-R-T-E-A
ZR22S-A-70-S-R-E-R-T-E-A、ZR22S-A-70-S-S-E-R-T-E-A、ZR22S-A-70-S-W-E-R-T-E-A
ZR22S-A-100-S-A-E-R-T-E-A、ZR22S-A-100-S-B-E-R-T-E-A、ZR22S-A-100-S-C-E-R-T-E-A
ZR22S-A-40-S-A-E-R-M-E-A、ZR22S-A-40-S-B-E-R-M-E-A、ZR22S-A-40-S-C-E-R-M-E-A
ZR22S-A-40-S-E-E-R-M-E-A、ZR22S-A-40-S-F-E-R-M-E-A、ZR22S-A-40-S-G-E-R-M-E-A
ZR22S-A-40-S-K-E-R-M-E-A、ZR22S-A-40-S-L-E-R-M-E-A、ZR22S-A-40-S-M-E-R-M-E-A
ZR22S-A-40-S-P-E-R-M-E-A、ZR22S-A-40-S-R-E-R-M-E-A、ZR22S-A-40-S-S-E-R-M-E-A
ZR22S-A-40-S-W-E-R-M-E-A、ZR22S-A-70-S-A-E-R-M-E-A、ZR22S-A-70-S-B-E-R-M-E-A
ZR22S-A-70-S-C-E-R-M-E-A、ZR22S-A-70-S-E-E-R-M-E-A、ZR22S-A-70-S-F-E-R-M-E-A
ZR22S-A-70-S-G-E-R-M-E-A、ZR22S-A-70-S-K-E-R-M-E-A、ZR22S-A-70-S-L-E-R-M-E-A
ZR22S-A-70-S-M-E-R-M-E-A、ZR22S-A-70-S-P-E-R-M-E-A、ZR22S-A-70-S-R-E-R-M-E-A
ZR22S-A-70-S-S-E-R-M-E-A、ZR22S-A-70-S-W-E-R-M-E-A、ZR22S-A-100-S-A-E-R-M-E-A
ZR22S-A-100-S-B-E-R-M-E-A、ZR22S-A-100-S-C-E-R-M-E-A、ZR22S-A-100-S-E-E-R-M-E-A
ZR22S-A-100-S-F-E-R-M-E-A、ZR22S-A-100-S-G-E-R-M-E-A、ZR22S-A-100-S-K-E-R-M-E-A
ZR22S-A-100-S-L-E-R-M-E-A、ZR22S-A-100-S-M-E-R-M-E-A、ZR22S-A-100-S-P-E-R-M-E-A
ZR22S-A-100-S-R-E-R-M-E-A、ZR22S-A-100-S-S-E-R-M-E-A、ZR22S-A-100-S-W-E-R-M-E-A
ZR22S-A-150-S-A-E-R-M-E-A、ZR22S-A-150-S-B-E-R-M-E-A、ZR22S-A-150-S-C-E-R-M-E-A
ZR22S-A-150-S-E-E-R-M-E-A、ZR22S-A-150-S-F-E-R-M-E-A、ZR22S-A-150-S-G-E-R-M-E-A
ZR22S-A-150-S-K-E-R-M-E-A、ZR22S-A-150-S-L-E-R-M-E-A、ZR22S-A-150-S-M-E-R-M-E-A
ZR22S-A-150-S-P-E-R-M-E-A、ZR22S-A-150-S-R-E-R-M-E-A、ZR22S-A-150-S-S-E-R-M-E-A
ZR22S-A-150-S-W-E-R-M-E-A、ZR22S-A-200-S-A-E-R-M-E-A、ZR22S-A-200-S-B-E-R-M-E-A
ZR22S-A-200-S-C-E-R-M-E-A、ZR22S-A-200-S-E-E-R-M-E-A、ZR22S-A-200-S-F-E-R-M-E-A
ZR22S-A-200-S-G-E-R-M-E-A、ZR22S-A-200-S-K-E-R-M-E-A、ZR22S-A-200-S-L-E-R-M-E-A
ZR22S-A-200-S-M-E-R-M-E-A、ZR22S-A-200-S-P-E-R-M-E-A、ZR22S-A-200-S-R-E-R-M-E-A
ZR22S-A-200-S-S-E-R-M-E-A、ZR22S-A-200-S-W-E-R-M-E-A、ZR22S-A-40-S-A-E-T-M-E-A
ZR22S-A-40-S-B-E-T-M-E-A、ZR22S-A-40-S-C-E-T-M-E-A、ZR22S-A-40-S-E-E-T-M-E-A
ZR22S-A-40-S-F-E-T-M-E-A、ZR22S-A-40-S-G-E-T-M-E-A、ZR22S-A-40-S-K-E-T-M-E-A
ZR22S-A-40-S-L-E-T-M-E-A、ZR22S-A-40-S-M-E-T-M-E-A、ZR22S-A-40-S-P-E-T-M-E-A
ZR22S-A-40-S-R-E-T-M-E-A、ZR22S-A-40-S-S-E-T-M-E-A、ZR22S-A-40-S-W-E-T-M-E-A
ZR22S-A-70-S-A-E-T-M-E-A、ZR22S-A-70-S-B-E-T-M-E-A、ZR22S-A-70-S-C-E-T-M-E-A
ZR22S-A-70-S-E-E-T-M-E-A、ZR22S-A-70-S-F-E-T-M-E-A、ZR22S-A-70-S-G-E-T-M-E-A
ZR22S-A-70-S-K-E-T-M-E-A、ZR22S-A-70-S-L-E-T-M-E-A、ZR22S-A-70-S-M-E-T-M-E-A
ZR22S-A-70-S-P-E-T-M-E-A、ZR22S-A-70-S-R-E-T-M-E-A、ZR22S-A-70-S-S-E-T-M-E-A
ZR22S-A-70-S-W-E-T-M-E-A、ZR22S-A-100-S-A-E-T-M-E-A、ZR22S-A-100-S-B-E-T-M-E-A
ZR22S-A-100-S-C-E-T-M-E-A、ZR22S-A-100-S-E-E-T-M-E-A、ZR22S-A-100-S-F-E-T-M-E-A
ZR22S-A-100-S-G-E-T-M-E-A、ZR22S-A-100-S-K-E-T-M-E-A、ZR22S-A-100-S-L-E-T-M-E-A
ZR22S-A-100-S-M-E-T-M-E-A、ZR22S-A-100-S-P-E-T-M-E-A、ZR22S-A-100-S-R-E-T-M-E-A
ZR22S-A-100-S-S-E-T-M-E-A、ZR22S-A-100-S-W-E-T-M-E-A、ZR22S-A-150-S-A-E-T-M-E-A
ZR22S-A-150-S-B-E-T-M-E-A、ZR22S-A-150-S-C-E-T-M-E-A、ZR22S-A-150-S-E-E-T-M-E-A
ZR22S-A-150-S-F-E-T-M-E-A、ZR22S-A-150-S-G-E-T-M-E-A、ZR22S-A-150-S-K-E-T-M-E-A
ZR22S-A-150-S-L-E-T-M-E-A、ZR22S-A-150-S-M-E-T-M-E-A、ZR22S-A-150-S-P-E-T-M-E-A
ZR22S-A-150-S-R-E-T-M-E-A、ZR22S-A-150-S-S-E-T-M-E-A、ZR22S-A-150-S-W-E-T-M-E-A
ZR22S-A-200-S-A-E-T-M-E-A、ZR22S-A-200-S-B-E-T-M-E-A、ZR22S-A-200-S-C-E-T-M-E-A
ZR22S-A-200-S-E-E-T-M-E-A、ZR22S-A-200-S-F-E-T-M-E-A、ZR22S-A-200-S-G-E-T-M-E-A
ZR22S-A-200-S-K-E-T-M-E-A、ZR22S-A-200-S-L-E-T-M-E-A、ZR22S-A-200-S-M-E-T-M-E-A
ZR22S-A-200-S-P-E-T-M-E-A、ZR22S-A-200-S-R-E-T-M-E-A、ZR22S-A-200-S-S-E-T-M-E-A
ZR22S-A-200-S-W-E-T-M-E-A、ZR22S-A-40-S-A-E-R-T-E-A、ZR22S-A-40-S-B-E-R-T-E-A
ZR22S-A-100-S-E-E-R-T-E-A、ZR22S-A-100-S-F-E-R-T-E-A、ZR22S-A-100-S-G-E-R-T-E-A
ZR22S-A-100-S-K-E-R-T-E-A、ZR22S-A-100-S-L-E-R-T-E-A、ZR22S-A-100-S-M-E-R-T-E-A
ZR22S-A-100-S-P-E-R-T-E-A、ZR22S-A-100-S-R-E-R-T-E-A、ZR22S-A-100-S-S-E-R-T-E-A
ZR22S-A-100-S-W-E-R-T-E-A、ZR22S-A-150-S-A-E-R-T-E-A、ZR22S-A-150-S-B-E-R-T-E-A
ZR22S-A-150-S-C-E-R-T-E-A、ZR22S-A-150-S-E-E-R-T-E-A、ZR22S-A-150-S-F-E-R-T-E-A
ZR22S-A-150-S-G-E-R-T-E-A、ZR22S-A-150-S-K-E-R-T-E-A、ZR22S-A-150-S-L-E-R-T-E-A
ZR22S-A-150-S-M-E-R-T-E-A、ZR22S-A-150-S-P-E-R-T-E-A、ZR22S-A-150-S-R-E-R-T-E-A
ZR22S-A-150-S-S-E-R-T-E-A、ZR22S-A-150-S-W-E-R-T-E-A、ZR22S-A-200-S-A-E-R-T-E-A
ZR22S-A-200-S-B-E-R-T-E-A、ZR22S-A-200-S-C-E-R-T-E-A、ZR22S-A-200-S-E-E-R-T-E-A
ZR22S-A-200-S-F-E-R-T-E-A、ZR22S-A-200-S-G-E-R-T-E-A、ZR22S-A-200-S-K-E-R-T-E-A
ZR22S-A-200-S-L-E-R-T-E-A、ZR22S-A-200-S-M-E-R-T-E-A、ZR22S-A-200-S-P-E-R-T-E-A
ZR22S-A-200-S-R-E-R-T-E-A、ZR22S-A-200-S-S-E-R-T-E-A、ZR22S-A-200-S-W-E-R-T-E-A
ZR22S-A-40-S-A-E-T-T-E-A、ZR22S-A-40-S-B-E-T-T-E-A、ZR22S-A-40-S-C-E-T-T-E-A
ZR22S-A-40-S-E-E-T-T-E-A、ZR22S-A-40-S-F-E-T-T-E-A、ZR22S-A-40-S-G-E-T-T-E-A
ZR22S-A-40-S-K-E-T-T-E-A、ZR22S-A-40-S-L-E-T-T-E-A、ZR22S-A-40-S-M-E-T-T-E-A
ZR22S-A-40-S-P-E-T-T-E-A、ZR22S-A-40-S-R-E-T-T-E-A、ZR22S-A-40-S-S-E-T-T-E-A
ZR22S-A-40-S-W-E-T-T-E-A、ZR22S-A-70-S-A-E-T-T-E-A、ZR22S-A-70-S-B-E-T-T-E-A
ZR22S-A-70-S-C-E-T-T-E-A、ZR22S-A-70-S-E-E-T-T-E-A、ZR22S-A-70-S-F-E-T-T-E-A
ZR22S-A-70-S-G-E-T-T-E-A、ZR22S-A-70-S-K-E-T-T-E-A、ZR22S-A-70-S-L-E-T-T-E-A
ZR22S-A-70-S-M-E-T-T-E-A、ZR22S-A-70-S-P-E-T-T-E-A、ZR22S-A-70-S-R-E-T-T-E-A
ZR22S-A-70-S-S-E-T-T-E-A

會員登錄

×

請輸入賬號

請輸入密碼

=

請輸驗證碼

收藏該商鋪

X
該信息已收藏!
標簽:
保存成功

(空格分隔,最多3個,單個標簽最多10個字符)

常用:

提示

X
您的留言已提交成功!我們將在第一時間回復您~
撥打電話
在線留言
国产精品久久久精品一区-99久久免费精品国产男女性高好| 7m视频7m精品视频网站-亚洲综合香蕉视频在线| 人妻少妇无乱码中文字幕-人成免费视频一区二区| 日韩高清在线观看一区二区-美产av在线免费观看| 国产成人高清精品免费5388-好妞色妞在线视频播放| 可以免费看污污视频的网站-日韩欧美不卡视频在线观看| 青木玲高清中文字幕在线看-视频在线免费观看你懂的| 日韩综合精品一区二区-丝袜美腿熟女人妻经典三级| 国产欧美一区二区三区嗯嗯-欧美一区二区日本国产激情| 国产综合日韩激情在线-日韩精品人妻一专区二区三区| 亚洲黑人欧美一区二区三区-亚洲一区二区三区免费视频播放| 少妇人妻无码久久久久久-综合图片亚洲网友自拍| 哦啊好大用力欧美视频-麻豆国产传媒片在线观看| 亚洲另类自拍唯美另类-99国产精品兔免久久| 九九热这里只有精品九九-欧美日韩人妻精品一二三| 亚洲精品激情一区二区-久久成人国产欧美精品一区二区| 国产精品二区高清在线-91精品91久久久久久| 亚洲欧美激情自拍色图-国产亚洲精品sese在线播放| 国产老熟女激情小视频-成人一区二区人妻不卡视频| 免费av一区在线观看-国产精品视频高潮流白浆视频免费| 亚洲产国偷v产偷v自拍性色av-亚洲欧美日韩国产三区| 99精品只有久久精品免费-蜜臀一区二区三区精品久久久| 国产欧美日本一区二区-一区二区三区亚洲在线播放| 一区二区三区日本韩国欧美-日本1区2区3区4区在线观看| 中文字幕日韩精品不卡一区二区-成人av在线观看一区二区| 午夜精品午夜福利在线-内射无套内射国产精品视频| 国产剧情av中文字幕-五月婷婷在线手机视频| 黄片免费观看视频下载-国产丝袜诱惑在线视频| 丝袜美腿人妻连续中出-在线观看日韩三级视频| 亚洲综合久久综合激情-日韩欧美精品人妻二区少妇| 欧美日韩亚洲1区2区-黄污视频在线观看不卡| 黄片免费观看视频下载-国产丝袜诱惑在线视频| 国产精品中出久久久蜜臀-久久久中国精品视频久久久| 国产一级片久久免费看同-麻豆精品尤物一区二区青青| 亚洲综合久久综合激情-日韩欧美精品人妻二区少妇| 国产小黄片高清在线观看-涩涩鲁精品亚洲一区二区| 亚洲欧洲成视频免费观看-国产福利一区二区在线观看| 欧美精品午夜一二三区-a屁视频一区二区三区四区| 免费午夜福利在线观看-黄色日本黄色日本韩国黄色| 国产精品久久久精品一区-99久久免费精品国产男女性高好| 久久网址一区二区精品视频-日产国产欧美视频一区精品|