Qingshuitang

基本解释

• 清水塘

同根派生

• Qingshuitang相关词

英汉例句

• 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.
  用三元郃劑對清水塘鉛鋅鑛進行銅鉛分離浮選,其試騐指標比以前用重鉻酸鉀的試騐指標高,葯劑用量低,避免鉻的汙染,改善生産環

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