法国性XXXXX极品,精品国产成人AV在线,国产精品R级最新在线观看,漂亮人妻被中出中文字幕

Oxygen

Oxygen stop valve

Size:NPS1/2~NPS20 / DN15~DN500

Class:CL150~CL900 / PN10~PN160

Design:JB/T10530,JB/T12955,BS1873,API623,ASME B16.34,API602

Connection Ends:NPT,SW,RF,RTJ,BW

Main Materials:Copper alloy, stainless steel, nickel base alloy, etc

Medium:oxygen

国产无遮挡又黄又爽高潮| 久久午夜私人影院| 亚洲成AV人在线观看网址| 国产妇女馒头高清泬20P多毛| 爽到高潮无码视频在线观看| 欧美无砖专区一中文字|