字典網>> 英漢字典>> P開頭詞條>>positive-ion emission的意思 漢英字典positive-ion emission中文翻譯：【電】 正離子發射英文字典英文字典相關詞條：positively charged latex positive-displacement flow meter positive dihedral angle positive definite matrix positive distortion positive aftet potential positive hole positive value positive return cam positive torsion