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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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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As a seal test, sensitivity of helium leak test is higher than other test methods as gas seal and NH_3 leak test.

氦泄漏试验作为一种致密性试验，它的检漏灵敏度远远超过了气密性试验和氨渗漏等试验方法。

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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