2 utterly not to scrape skive pull scratch or butt with hard thing at airproof - side 2密封面绝对不允许刮割划挠或与硬物碰撞。
Tamateru the largest flexible modular structure nema 4x and ip65 waterproof defense oil seal face Nema 4x和ip65防水防油密封面板
The movements of check valve located at valve valve seal on thebutterfly valve seat surface 升降式止回阀的阀瓣座落位于阀体上阀座密封面上。
Design of processing device for the spot recovery of flange sealing - face on large - sized pressure vessels 大型压力容器法兰密封面现场修复加工装置的设计
The body must be cleaned before installed and there is no dirt and sundries clinging to the body 安装前必须清洁阀门内腔及密封面，不允许有任何杂物和污垢附着。
Take special care not to damage the cylinder block sealing face when removing the plastic dowels 当移除这塑胶接缝镙钉时，应特别小心避免损坏汽缸接合之密封面。
Passing by abrasive of whole hemisphere can be done the sealant , have concentrative wear and tear , sealed well 整个半球面都可以做密封面，集中磨损少，密封性好。
The body must be cleaned before installed and there is no dirt and sumdries clinging to the body 安装前必须清洁阀门内腔及密封面，不允许有任何杂物和污垢附着。
Wide - mouth glass containers ; deviation from flatness of top sealing surface ; test methods iso 9885 : 1991 ; german version en 29885 : 1994 广口玻璃仪器.瓶口密封面不平度偏差.试验方法
Road vehicles . pneumatic braking systems . part 1 : pipes , male fittings and tapped holes with facial sealing surface 道路车辆.气动制动系统.第1部分:带平面密封面的管道外螺纹接头和螺纹孔
