gas dynamical disaster

• 瓦斯动力灾害

gas dynamical disaster的用法和样例：

例句

1. Some new identification indexes and operation methods were given according to the action process and results of all applied forces arousing gas dynamical phenomena.
   并根据引起瓦斯动力现象的各种力的作用过程及产生的后果给出了部分新的矿井瓦斯动力灾害分级鉴定的指标及操作方法。