PDR Preliminary Design Review / Product Data Manager 初步设计审核/产品数据管理员 PDU Power Drive Unit 动力驱动组件 PDUI Power Distribution User Interface 电源分配用户界面 ..
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在左、右动力腔的交替驱动下，HFPE的活塞组件在腔体中作往复直线运动，同时泵出液压油驱动负载工作。
In a HFPE, the free piston assembly is driven back and forth between two outer dead centers by fuel energy, and at the same time hydraulic oil is pumped out for energy.
本发明提供了一种手持式动力工具，该动力工具包括壳体组件、由该壳体组件支撑的动力装置、以及驱动装置。
The invention provides a hand-held power tool which includes a housing assembly, a motor supported by the housing assembly, and a drive mechanism.
给料组件安装在铧犁机架上，不需另加驱动力，可以节省一个劳动力，而且化肥或种籽直接施于犁过的土沟内，不易被风吹走。
The fertilizer and the seeds are directly spread in a ploughed earth ditch, and are not easy to blow away by wind.
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