精品精品国产高清A级毛片,两个女人互添下身视频在线观看,麻豆E奶女教师国产剧情,久99久无码精品视频免费播放

產(chǎn)品詳情/Details

H8A型機(jī)械密封

運(yùn)行參數(shù) Operating limits


密封腔壓力: 12kg/cm2


密封腔溫度:(4-1)-60℃~180℃ (4-2)-20℃~230℃


線速度:25m/Sec


Pressure in the sealed chamber:: 12kg/cm2


Temperature in the sealed hamber:(4-1)-60℃~180℃ (4-2)-20℃~230℃


Linear velocity:25m/Sec

?