煤矿用电缆燃烧时所释放出的烟雾和毒性气体是造成电缆火灾事故“二次灾害”的直接原因。
The direct reason that causes the cable fire disaster-the second disaster is that the smoke and poison gas produced by the cable for mine purposes when burning.
在扑救化工火灾中，因指挥、战术不当等引起二次爆炸伤人的事故。
Accidents of secondary fire explosion caused by improper command or fire suppression technology often occurred during the suppression of chemical fires.
液化石油气储罐在火灾作用下，其内部的温度和压力迅速上升，从而会引起储罐爆炸，进而酿成危害性更大的二次灾害。
When LPG tanks are exposed to external fire, their temperature and pressure will increase rapidly, which may cause the tanks exploding and lead the secondary hazard with much more damage.
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