短語詞組短語diametric opinions 截然相反的觀點diametric ratio 直徑比diametric projection 徑點互射影diametric drive 正相反引擎diametric arrangement 徑向分布diametric rectifier 全波整流器Diametric pitch 徑節(jié)diametric plane 徑面diametric voltage 對徑電壓 返回 diametric