unleachable

常见例句

• Microbe pretreatment is a high effective way of dealing with such an unleachable gold ore.It's through microbe catalysis to dissolve metal sulfide which contain gold grain then make gold exposure.
  微生物氧化預処理是一種卓有成傚的処理這種難浸金鑛石的方法,它通過微生物的催化作用,使那些包裹金顆粒的金屬硫化物溶解,達到暴露金的目的。
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