英语词典
The process flows are very simple. Barite concentrate is usually output after single-stage washing, two-stage crushing and single-stage jigging separation, without recycling associated minerals ( such as fluorite).
工艺流程比较简单,一般经过一次洗矿、两段破碎、一段跳汰分选产出重晶石精矿,对于其中伴生矿物(如萤石)未进行回收利用。
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She hopped about on stage, jigging her feet.
她在舞台上用脚跳来跳去.
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