If the power - driven rotary piston pump spray, the effect will be even better.

如果用电力驱动旋转活塞水泵喷灌, 效果会更好.

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Following is a brief introduction of some rotary piston pump application and development prospects.

下面简单介绍一些旋转活塞水泵的应用及发展前景.

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At this huge oilgas fields of rotary piston pump can also be one remarkable skill.

在油气输送这一巨大领域旋转活塞泵也可一显身手.

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