air leak check with lighting 漏光检测
oil leak check 漏油检查
gas leak check 气体泄漏检查
helium leak check 氦气检漏
Boss leak check 老板漏签了
leak check valve 防漏单向阀
Boss leak check a signature 老板漏签了一个签名
helium leak-check 氦气检漏
cooling system leak check 冷却系统泄漏检查
The problems of the vacuum and its leak check are studied.
微小间隙抽真空以及真空检漏等应注意的问题进行探讨。
Cataract, ocular trauma, corneal surgery incision infiltration leak check.
白内障，眼外伤，角膜手术等术后切口渗漏情况的检查。
First municipal engineering pipeline plug body inflatable device combination of components, so that the tool leak check.
先将市政工程管道堵塞体充气装置的配件进行组合，做工具漏气检查。
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