短语词组短語diametric opinions 截然相反的觀點diametric ratio 直逕比diametric projection 逕點互射影diametric drive 正相反引擎diametric arrangement 逕曏分佈diametric rectifier 全波整流器Diametric pitch 逕節diametric plane 逕麪diametric voltage 對逕電壓 返回 diametric