kilkenny coal

• 无烟煤

kilkenny coal的用法和样例：

例句

1. Soft coal burns with more flames than hard coal.
   烟煤燃烧时火焰较无烟煤多。
2. 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。