coal-selecting

英 ['kəʊlsɪl'ektɪŋ] 美 ['kəʊlsɪl'ektɪŋ]

• 选煤

coal-selecting的用法和样例：

例句

1. Jigging separation plays a very important part in coal preparation, it is very important to improve the precision of separation.
   跳汰选煤在选煤中占有重要地位，提高跳汰机的产品分离精度，一直是个重要的研究方向。