基本解释導油器，擋油板词组短语短語oil l deflector 擋油圈oil l deflector ring 擋油環oil baffle oil deflector 擋油圈oil deflector ring 擋油環brake drum oil deflector 制動輪導油器oil deflector更多词组专业释义經濟學擋油圈交通運輸工程擋油圈