火灾主要是由吸烟者、绝缘不良和孩子玩火柴引起的。

Fire emergency was arose by smoker, badly insulation and children paly match mostly.

youdao

火灾主要是由吸烟者、绝缘不良和孩子玩火柴引起的。

Fire emergency was arose by smoker, badly insulation and children paly match mostly.

youdao