electonegative impurity负电性: electronegativity杂质: impurity; foreign substance; ...正电性杂质: electropositive impurities负电性: electronegativity◇负电性金属 electronegative metal; 负电性缺陷 negative defect负电性单体: electronegative monmer下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:负电性杂质，即可在微信中查询翻译
