油管带接箍后另一端加工螺纹的工艺方案可行。

The said process for threading non-coupled end of coupled tubing has been proven practical.

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吹气头夹盘（44）可拆卸地容纳于每个横向通路的第一端，并且盖子（60）螺纹接入每个横向通路的第二端，与相关联的吹气头夹盘相隔开。

A blowhead chuck (44) is removably received in a first end of each lateral passage and a cap (60) is threaded into the second end of each lateral passage spaced from the associated blowhead chuck.

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固定螺纹连接部位的一端，以便在转动另一端时上紧螺纹。

To hold one end of a threaded connection while the other is turned to make up the joint.

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