词汇	save their skin
释义	save their skin vt.使自己免遭失败
随便看	commutation commutation ability commutation ability of brush Commutation analysis commutation and stabilizing voltage commutation and voltage stabilization commutation angle commutation angle control commutation arc commutation at zerocurrent commutation axis Commutation between upper mosfets commutation board commutation by agreement commutation capacitor commutation capacitor condenser commutation capacitors commutation capacity commutation circuit commutation clause commutation coefficient commutation coil commutation condenser commutation control commutation control of rectifier