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1·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。

2·The flywheel, collet, pulley and nut are shown assembled in the first photo with the other three pieces of the crank laid out behind it.

飞轮，夹头，滑轮和螺母显示组装第一照片与其他三条规定曲柄后面。

3·Revolves, canned, the V-belt pulley organization, the CAM gear, the crank slide, the bevel gear.

旋转、罐装、槽轮机构、凸轮机构、曲柄滑块、锥齿轮。

4·The tower type belt driven long stroke pumping unit is composed of the crank-linkage-slide mechanism, movable pulley-narrow belt-fixed pulley mechanism and compound drum stroke-increment mechanism.

无游梁塔架式胶带传动长冲程抽油机由曲柄-连杆-滑块机构、动滑轮-窄胶带-定滑轮机构和复合滚筒增程机构组成。