formation of gas

• 气体的形成,气化

formation of gas的用法和样例：

例句

1. Coal gas is produced by the gasification of coal.
   煤气是由煤的气化作用得到的。
2. The possible causes of catheter-related FDG uptake were discussed.
   吾人并讨论与导管相关之气化去氧葡萄糖摄取原因。