water sealing meaning in English

水对, 水密对

Application of back grouting water sealing technology for wall of coal bunker
煤仓仓壁注浆堵水技术应用
A preliminary study on water sealing runnel drainage technology for gas drainage
水封式巷道瓦斯抽放技术探讨
Grouting and water sealing technology for mine shaft sinking through water flooded goaf
井筒过积水老空区的注浆堵水技术
Water seal gate valves
水封闸阀
Water seal resistance
水封功能

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