事故也经常发生，爆炸把工具和武器的碎片抛向天空。
Almost as frequent were the accidents that sent shards of tools and weaponry exploding into the sky.
鞭炮经常发生爆炸事故，造成大量人员死伤。
Firecrackers often cause fire and explosion, killing and injuring many people.
由于煤炭资源特殊的生产环境，经常发生瓦斯爆炸、火灾等重大灾害，严重制约着煤矿安全的生产。
Because of the special production environment of coal resource, great accidents often take place such as the gas explosion, fire, etc. It badly restricts the production of the coal safety.
癫痫发作由神经组织的爆炸放电构成，经常在大脑的一个区域发生，像雷暴一样蔓延到大脑的电路中。
A seizure consists of an explosive discharge of nervous tissue which often starts in one area of the brain and spreads through the circuits of the brain like an electrical storm.
即使发生核爆炸，像某些离奇科幻小说里描述的，的连锁反应那样，一切都毁灭了，电影里经常可以看到的场面。
Even if a nuclear explosion took place and everything on earth got atomized and destroyed, through some bizzare science fiction chain reaction. They always do in the movies.
在PVC生产装置中，传统乙炔发生器上料系统中的进料碟阀，因结构原因，经常起火甚至爆炸。
In the PVC production device, the dish valve in the charging system of traditional acetylene generator was often on fire, and even explosion because of its structure.
在PVC生产装置中，传统乙炔发生器上料系统中的进料碟阀，因结构原因，经常起火甚至爆炸。
In the PVC production device, the dish valve in the charging system of traditional acetylene generator was often on fire, and even explosion because of its structure.
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