词汇	pretornal
释义	pretornal 昆臀角前的
随便看	phase controlled thyristor installment phase controller phase controlling phase control locomotive phase control loop phase-control-loop phase control method phase control of grid voltage phase control part phase control power phase control range phase control refractometer phase control servomechanism phase control servo-mechanism phase control set phase control system phase control technique phase-control thyristor reactor phase control trigger circuit phase control word phase convention phase conversion phase conversion of emulsion phase conversion overvoltage phase conversion reaction