This testing is performed with all the equipment present and operating , but without personnel present.

该项测试是在全部现有设备运行但现场无人的条件下进行的。

youdao

This testing is performed with all the equipment present and operating , but without personnel present.

该项测试是在全部现有设备运行但现场无人的条件下进行的。

youdao