“rotary plunger vacuum pump”的概念、定义、翻译、参考文献-科学参考

单词	rotary plunger vacuum pump
释义	rotary plunger vacuum pump Encyclopedia 工学真空泵释 rotary plunger vacuum pump滑阀真空泵偏心轮在泵腔内作回转运动，使由滑环和滑杆分隔的两个工作室容积作周期性变化以实现抽气的真空泵。
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