explosive gas mixture

例句：

1. 1. Theexplosion was caused by a sudden release ofgas from the underground mine.
   这次爆炸是由于地下矿井突然释放气体引起的。
2. 2. The engineer carefullymixed the explosive gas to ensure it wouldnot explode during use.
   工程师小心地混合了这种爆炸性气体，以确保在使用过程中不会爆炸。
3. 3. The teamused a special device to createan explosive gas mixture that could beused for testing purposes.
   团队使用了一种特殊设备来制造一种可以用来测试的爆炸性气体混合物。