soft coal meaning in English
烟煤。
Examples
- Soft coal burns with more flames than hard coal
烟煤燃烧时火焰较无烟煤多。 - Supporting technology practice of soft coal and rock roadway
松软煤岩巷道支护技术实践 - We also supply blind coal and soft coal from china and indonesia
煤炭产品主要是无烟煤与有烟煤等。 - Study of computer identifying on tectonic soft coal with well log
地球物理测井技术在判识构造软煤中的应用 - Research on optimization design of support mode in three - soft coal roadway
三软煤层巷道支护方式的优化设计研究