circulation gas

• 循环气

circulation gas的用法和样例：

例句

1. The characteristics and application of the branched chain explosion of hydrocracking hydrogenation recycle gas and the relevant combustible gases were systematically studied.
   摘要对加氢裂化循环气与相关可燃性气体支链爆炸的特性及其应用进行了系统的研究。