英语词典
An Analysis on Pneumatic Measurement of the Opening of sliding Spool Valve
滑阀开口量的气动测量分析
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The utility model relates to a vacuum gaining device, in particular to the improvement of a sliding valve in the sliding spool vacuum pump.
本实用新型涉及真空获得设备,特别是滑阀式真空泵中滑阀的改进。
sliding spool flow control valve
滑阀式流量控制阀
The rotary and sliding motions of the spool are independently exploited to control the frequency and the amplitude of the agitated vibration respectively.
阀芯的转速和轴向位移分别用于振动频率和振幅的独立控制。
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