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  Discussion on the relationship between electrical speed and mechanical speed of speed governing systemDiscussion on the relationship between electrica

  2018-11-12
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  Power control PID parameters of speed limiter

  2018-11-12
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  Why is the ultrasonic pest repeller so magical and effective?

  2018-11-06
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  Ultrasonic pest repeller drives away all the mosquitoes, cockroaches, mice and ants

  2018-10-29
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  Preparation for speed limit test of auto speed limiter

  2018-10-29
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  Basic principle of speed governing system of N135 steam turbine

  2018-10-22
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  Key factors affecting low frequency oscillation of power system in steam turbine speed governing system

  2018-10-22
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  A number of rat repellent devices were set up at the gate of Yida kindergarten in Jinlong district and caused people’s worry

  2018-07-21
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  Is the ultrasonic mouse repellent effective?

  2018-07-21
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  Do you know the principle of electronic mouse repellent device

  2018-07-21