Hydrostatic pressure testing is the first test in preparing a system for passivation.
在系统钝化的准备中，第一项检测是流体静力学压力检测。
I. D. sealing test plug for high pressure hydrostatic testing of pipe, pipelines and pressure vessels.
密封的测试插头用在高水压测试管，管路和压力容器上。
I. D. sealing test plug for high pressure hydrostatic testing of pipe, pipelines and pressure vessels.
密封的测试插头用在高水压测试管，管路和压力容器上。
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