基本解釋清水塘同根派生 Qingshuitang相關(guān)詞英漢例句Copper and lead in Qingshuitang lead zinc ore were separated by floatation separation with ternary agent, its experiment index is higher than that with potassium dichromate. 用三元合劑對清水塘鉛鋅礦進行銅鉛分離浮選,其試驗指標比以前用重鉻酸鉀的試驗指標高,藥劑用量低,避免鉻的污染,改善生產(chǎn)環(huán)Qingshuitang更多例句