词汇	piston aircraft engine
释义	piston aircraft engine 活塞式飞机发动机
随便看	automatic field forcing automatic field light termination device automatic field mapper automatic field observing system automatic field observing systemafos automatic field recognition automatic field rheostat automatic field suppressing automatic field-suppressing automatic field weakening automatic field-weakening automatic field weakening device automatic filament-winding automatic file-cabinet Automatic File Control Automatic File Control and Documentation Automatic File Distribution automatic file select automatic file sort automatic file transmission automatic file treatment system automatic filler automatic filling automatic filling and sealing machine automatic filling equipment