The spontaneous combustion of the oil-soaked rags caused the barn to catch fire. 油布碎片的自燃使谷仓起火。
The self-igniting characteristic of ore and the fire extinguishing method that uses watery grout in Tongshan Copper Mine are presented. 介绍了铜山铜矿矿石自燃发火特征及用稀水泥浆阻燃灭火的方法。