gas coal

  • n. 烟煤

gas coal的用法和样例:

例句

用作名词 (n.)
  1. What can we do with the bituminous coal?
    这些烟煤可以用来做什么?
  2. Soft coal burns with more flames than hard coal.
    烟煤燃烧时火焰较无烟煤多。
目录 查词历史