整个阀门无法在线检测，但是，每个止回模块部件编号SA7B 16可以按照下列方法单独进行检测。

Complete valve cannot be tested in the line, however, each check module Part no. SA7B16 can be tested individually as follows.

youdao

整个阀门无法在线检测，但是，每个止回模块部件编号SA7B 16可以按照下列方法单独进行检测。

Complete valve cannot be tested in the line, however, each check module Part no. SA7B16 can be tested individually as follows.

youdao