常见例句The carbonization of exrtacting constituents of preheated Shenfu noncoking and Liulin dominant coking coal has been studied. 对预热神木不粘煤及柳林主焦煤中不同溶剂抽提组分的碳化特性分别进行了比较研究。noncoking coal 非粘结性煤,非结焦煤 返回 noncoking