常見例句雙語例句A brown coal, a high-volatile bituminous coal and a low-volatile bituminous coal were pyrolysed at a slow heating rate in a thermogravimetric analyser.在熱天平上采用慢速升溫制備了褐煤、高揮發(fā)分煙煤和低揮發(fā)分煙煤的半焦。 返回 low volatile bituminous coal