Firefighter says there's something fishy going on in the FireDistrict.
消防员说防火区有一些可疑的东西。
2
He said FireDistrict reports did not indicate how emergency personnel were alerted to either of the cases.
他说消防区报告没有指出急救人员面对此类事故，如何变得警觉起来。
3
Methane explosion triangle method, which is commonly applied to judge the explosion risk of mixed inflammable gases in the mine firedistrict, considers only the main component gas.