hydrogenation of coal

• 煤的氢化

hydrogenation of coal的用法和样例：

例句

1. Zinc displaces the hydrogen of dilute acids.
   锌置换了稀酸中的氢。
2. In cases of doubt the changes following hydrogenation, bromination or other chemical attack upon the double bond can be studied.
   在有疑问时可以研究双键的氢化，溴化或其他化学反应所引起的变化。