... 抗内压强度 internal pressure strength 内压试验 internal pressure test 钻杆内防喷器；钻柱防喷回压阀 internal preventer ...
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The metallographic analysis shows that the metallurgical structure is proper. The results of internal pressure test indicate that the hot tap structure can work safely.
对间断焊焊接接头的金相分析表明其金相组织正常，内压试验结果表明该结构能安全运行。
A test and pressure relief valve should be installed to assure relief of internal pressure prior to servicing and as a visual indication of trap operation.
应该安装一个测试和压力安全阀，确保内部压力能够在维修前得到释放，并作为疏水阀工作的直观显示。
Test by internal pressure (simulation of decompression).
使用内压测试(减压模拟)。
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