tightness test

基本解释

Deck flushing piping system to be doneair-tightness test.
甲板冲洗管系密性试验。
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Accommodation air-condition freon piping to be done air-tightness test.
房舱空调氟利昂管系密性试验。
Tightness test both the shell and tube sides of the exchanger to check that the flange gaskets are holding tight.
紧力测试对热交换器的管程与壳程，检查法兰垫圈是否紧密。