Hydrostatic test plugs will be provided for all the spring loaded safety valves.

每只弹簧安全阀都带有水压试验堵塞及试验压紧工具。

youdao

Hydrostatic test plugs will be provided for all the spring loaded safety valves.

每只弹簧安全阀都带有水压试验堵塞及试验压紧工具。

youdao