然后对其在湿法炼锌中的硫化锌精矿焙烧、锌焙砂浸出、硫化锌精矿直接浸出等方面应用取得进展进行综述。
The progress of its application on roasting zinc concentrate, leaching zinc calcine and leaching zinc concentrate directly are summarized separately.
采用河砂和营养土两步炼苗，移栽成活率可达90%以上。
River sand and humus were used in two successive steps, and the survival rates was more than 90%.
采用河砂和营养土两步炼苗，移栽成活率可达90%以上。
River sand and humus were used in two successive steps, and the survival rates was more than 90%.
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