国产草草影院ccyycom,国产无套内射普通话对白,色偷偷88888欧美精品久久久,偷窥xxxxxhd

產(chǎn)品詳情

H9B型機械密封

密封腔壓力: 30kg/cm2
密封腔溫度:(4-1)-60℃~180℃ (4-2)-20℃~230℃
線速度:25m/Sec
Pressure in the sealed chamber: 30kg/cm2
Temperature in the sealed hamber:(4-1)-60℃~180℃ (4-2)-20℃~230℃

Linear velocity:25m/Sec