The output end of the double drill shaft is provided with a boring clamp. and the input end of the double drill draft can be in sliding and matching connection with the coupling.

该双头 轴输出端配设有钻夹，双头轴的输入端能与联轴器相滑动配套连接；

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The main Problems with designing the flexible shaft on a screw drill are strength check and interference calculation.

螺杆钻具挠性轴设计中的两个主要问题是强度校核和干涉量计算。

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This paper analyses the influence of excentric shaft connection on force case of drill tool, and discusses the causes of drill tool failure.

文中分析了使用偏轴接头对钻具各部分受力情况的影响及导致钻具失效的原因。

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Towering over the machine, whose controls he manipulates, the lean and powerful automaton is given an unashamed phallic authority by the drill-shaft thrusting down from his loins.

WSJ: Masterpiece: Jacob Epstein's Prophesy

Officials said both efforts -- to drill a rescue shaft and widen a bore hole -- could be carried out concurrently.

CNN: Drilling to reach Chile miners yet to begin

This drill will be used, engineers say, for the so-called plan B, as a parallel attempt to a drill a rescue shaft down to the miners.

CNN: New drill arrives in Chile with great fanfare