coal carbonization

• 煤的碳化,煤的干馏

coal carbonization的用法和样例：

例句

1. The yield,distillation range , elemental composition and other properties ofsolid heat carrier retorting tar from Shenfu coal were determined.
   本文对神府煤固体热载体新法干馏焦油的性质和组成进行了研究。