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rotary plunger vacuum pump
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rotary plunger vacuum pump
Encyclopedia
工学
真空泵
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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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hypercube triangulation
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