While you may be able to get away with wedging your breaker bar against the cradle and cranking the engine over to remove the crank pulley bolt, you know it's not the best practice.

尽管你可能够逃脱为当转动发动机曲柄时产生的摇动而楔入断裂的木棒，由此可顺利地拆下曲轴皮带轮螺栓，也许你知道这不是最好的做法。

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The structure can convert the rotation of a drive belt pulley into the plane curve movement of the pivot bolt, realize motor driving of the stapler and ensure the stapling strength and quality.

采用这样的结构后，可以实现将主动带轮的转动转变为枢轴螺栓的平面曲线运动，实现订扣机的电机驱动，保证订扣力度和订扣质量。

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The new scheme is put forward to design magnetic pulley with large torsional moment by means of planar contact between end-cover and added flange fixed axially by stud bolt.

提出了用圆筒两端加制法兰与端盖平面接触轴向螺栓连接的方法设计大扭矩磁滑轮的方案。

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