双语例句权威例句
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The hand knob and the shell employ a screwed joint, which can reach the self-hold request of the device.
手柄与外壳采用螺纹连接，可以满足机构的自锁要求。
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In chapter two, the prosperity of the motion, force and screwed joint of the surface dynamic rotating drilling downhole drilling string has been discussed.
第二章分析探讨了地面动力旋转钻井井下钻柱的运动状态、受力及螺纹联接的特性。
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A protecting joint is added at power head rod joint in order to prevent power head rod joint abrasion when rod is screwed or unscrewed.
在拧卸钻杆时为了保护动力头钻杆接头，防止其磨损，通常的做法是在该接头处联接一个保护接头。
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