字典網>> 英漢字典>> P開頭詞條>>positive dihedral angle的意思 漢英字典positive dihedral angle中文翻譯:【機】 正二面角英文字典英文字典 相關詞條:positive meniscus positive phase-sequence relay positive input value positive acknowledgement positive-ion emission positive azeotrope positive feeder positive valence positive-going transition positive phase