单词	pilot air valve
释义	pilot air valve 控制空气阀
随便看	undertaking investment undertaking motive undertaking of construction undertaking of private prosecution undertaking of wide scope Undertaking Opportunity undertaking place undertaking politics or living reclusively undertaking purchasing undertaking recognizance upon bail undertakers undertaker's undertakers and embalmers undertaker's gain undertaker's rent Undertaker,take whatever u want undertakes undertake scientifically undertake self-criticism undertake sideline production undertaking retaining undertaking revenue underteaches underteaching underteller