We manufacture the tool joint, make the seal test and make-and-break test.

根据零件图试制双台肩钻具接头，对其进行上卸扣试验和水压密封测试。

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It's suitable to have shell test and seal test for flanged end butterfly valves and wafer type butterfly valves.

适用于法兰连接和对夹式蝶阀的强度和密封性能试验。

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A mathematical model about the duration of seal test of hydrostatic test for gas pipeline was developed firstly.

建立了考虑管道弹性变形和含有一定量气体时输气管道严密性水试压稳压时间计算的数学模型。

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The team then failed to run a test to establish that the cement seal was adequate.

ECONOMIST: BP casts the blame for the Gulf oil spill widely

Most of the technical issues covered in the report, such as the failure of a crucial cement seal and the misinterpretation of a key pressure test, have been raised by other investigations.

WSJ: Gulf Disaster Tied to BP's Lack of 'Operating Discipline'

The South Africa flanker was sin-binned in the first minute of the second Test on Saturday, which his side won to seal the series, and was cited afterwards.

BBC: SA's Burger handed eight-week ban