changeover valvecircuit change valvediverter valvediverter vandiverting valve, reversing valvereversal valvereversing clapperselector aleselector valveshuttle aleshuttle valveturning valve换向: changing-over; change; jibe; ...阀: established house or power g ...倒车换向阀: astern maneuvering valve电磁换向阀: electromagnetic directional valve; magnetic exchange valve; solenoid directional control valve; solenoid directional valve; solenoid operated directional valve多路换向阀: multichannel conversion valve下载手机词典可随时随地查词查翻译