gate-operating geargate-operating machinery坞: a depressed place; cove; rec ...操纵: operate; control; roll; stee ...装置: installation; device; appara ...操纵装置: aminpulator; control assembly; control unit; controller; maneuvering gear; manipulator; motivator; operating control device; operating device; rig操纵装置机: manipulator下载手机词典可随时随地查词查翻译
