seal leakage detection

• 密封检漏

seal leakage detection的用法和样例：

例句

1. Vacuum vessel seal structure used in the leak test of a liquid rocket engine turbopump is discussed.
   论述了某型号液体火箭发动机涡轮泵高压低温静密封检漏试验用真空室密封结构的设计问题。