... water-tight packing 不漏水填密;不透水密封... water-tight test 水密试验... water-white acid 水白酸;水白盐酸...
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The assembling, actuating, water-tight test of pump-turbine globe valve and its quality control are introduced.
介绍了抽水蓄能水轮机球阀装配、动作及密封漏水试验工艺性与质量控制。
Flexibility and hosing test for small water tight hatch cover(water tight door and window).
水密小舱口盖（水密门、窗）启闭灵活性、冲水检查。
Flexibility and hosing test for small watertight hatch cover (water tight door and window).
水密小舱口盖(水密门、窗)启闭灵活性、冲水检查。
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