词汇	vacuum gear shifting
释义	vacuum gear shifting 真空变速
随便看	peak-to-peak value indication peak-to-peak value of displacement peak-to-peak variation peak to peak voltage peak-to-peak voltage peak to peak voltmeter peak-to-peak voltmeter peak top flatness Peaktop International Holdings Limited peak-to-r.m.s factor peak-to-rms ratio peak-to-r.m.s.ratio peak torque peak torque at locked rotor peak torque at locked-rotor Peak Torque Ratio peak torque speed Peak torque to body weight peak to scatter ratio Peak-to-sverage power ratio peak-total ratio peak-to-total ratio peak-to-trough peaktotrough ratio peak to trough ratio