基本解釋adj.六價的同根派生 sexavalent相關(guān)詞英漢例句Keywords Zinc-coated parts;Sexavalent chromium;Trivalent chromium;Passivation Quality control; 鍍鋅件;六價鉻;三價鉻;鈍化工藝;質(zhì)量控制;sexavalent更多例句