Inspecting for the shell including the gland and union between the body and cap to see if there is leakage when reaches to stipulated time.

达到规定时间后，检查壳体(包括填料函及阀体与阀盖连接处)是否有渗漏。

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Inspecting for the shell including the gland and union between the body and cap to see if there is leakage when reaches to stipulated time.

达到规定时间后，检查壳体(包括填料函及阀体与阀盖连接处)是否有渗漏。

youdao