如有可能，同样设想一些你将要游的泳池状况。

Visualize the pool you will swim in too (if possible).

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同常规型游梁式抽油机比较，该机型可以显著降低曲柄输出轴的最大扭矩，减小甚至消除负扭矩，在降低能耗的同时改善了减速箱的受力状况。

Compared with conventional beam pumping unit, the swing-rod beam pumping unit can reduce the maximum crank axle torque markedly, reduce and even eliminate negative crank axle torque.

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游梁式抽油机的平衡状况直接关系到其效能，而对其平衡的检测目前尚无简单易行的办法。

The virtue of balance beam pumping unit is directly depended on its balanced state. But so far, there is no simple and efficient method to detect the balanced state.

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