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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Is a water break test performed every shift to ensure quality of pre-clean?

槽液测试是否每班测试一次以确保预清洁品质良好？

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You've been working hard on the initial setup, and when you get back from your well-earned break, you need to test to make sure you've done everything right.

您已经努力工作完成了初始安装，当您很好地休息之后，您需要进行测试以便确保您正确地进行了所有操作。

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If that happens, the implementation of the program could pose a make-or-break test for the euro.

WSJ: Italian Uncertainty Rekindles Euro-Crisis Fears

Confirmation that Naved would join Yorkshire came after a make-or-break fitness test with physio Scott McAllister.

BBC: Naved given Yorkshire clearance

Warne is back in action for his state side Victoria this week after a three-week break following the Test series win over South Africa.

BBC: SPORT | Cricket | Aussies 'should fear for McGrath'