在工具和管子的两端安装带螺纹的接头将工具或管子连接起来。
To connect tools or tubulars by assembling the threaded connections incorporated at either end of every tool and tubular.
在工具和管子的两端安装带螺纹的接头将工具或管子连接起来。
To connect tools or tubulars by assembling the threaded connections incorporated at either end of every tool and tubular.
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