The working principle of new air cycle refrigeration system driven by high_speed motor is discussed.

讨论了高速电机驱动的新型空气循环制冷系统的工作原理。

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The measuring principle and some design problems of key techniques, including precision air - bearing, driven motor, fixture and aligning devices were discussed.

讨论了精密气浮轴系、驱动电机、装夹调心装置等关键部件的设计问题及测量系统的工作原理。

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In general, most equipment that can produce the pressure is driven by motor, like the air compressor, pump, etc. The run and stop of motor is directly related to toe pressure.

一般情况下，产生压力的设备都有电动机驱的，如空压机、水泵等，电动机的运转、停止将直接操动着压力的有无大小。

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