• 绞车,起货机一种装有卷筒固定电动机驱动手动的吊升机械卷筒周围缠绕着与提升的重物相连的绳索

    A stationary motor-driven or hand-powered hoisting machine having a drum around which is wound a rope or chain attached to the load being lifted.

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  • 固定注入头顶部鹅颈将挠性管柱卷筒绕着一个受控制半径送入注入

    The gooseneck mounted on top of the injector head feeds the tubing string from the reel around a controlled radius into the injector head.

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  • 银幕卷筒卡片卷筒固定黑板上方,图片固定黑板上。

    The screen reel drum and the card-shelf reel drum are fixed above the blackboard, and the picture clip is fixed on the upper frame of the blackboard;

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  • 卷轴卷筒所用装置。它用来旋转卷筒心子固定卷筒之间提供电气连接。

    The electrical device used on the axle of a spool or reel to provide electrical continuity between the rotating reel core and the stationary reel chassis.

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  • 卷轴卷筒所用装置。它用来旋转卷筒心子固定卷筒之间提供电气连接。

    The electrical device used on the axle of a spool or reel to provide electrical continuity between the rotating reel core and the stationary reel chassis.

    youdao

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