错误的供电线路是房屋火灾的主要原因。
吸烟是导致火灾的主要原因之一。
家庭火灾的主要原因是麻痹大意，没有及时采取预防措施。
Home fires are the main reason for negligent not to take timely preventive measures.
煤炭自然发火是导致矿井火灾的主要原因之一，也是煤炭安全生产急待解决的问题。
Coal spontaneous combustion is the main cause of mine fire and an urgent problem to be solved for the safe coal production.
导线绝缘层的过热以及由此发生的着火和燃烧是载人航天飞行器中引起火灾的主要原因。
The damage and overheating of wire insulation are main ignition source in the fire incidents of the manned spacecraft in microgravity.
在预测林火发生方面，考虑到人为火是发生森林火灾的主要原因，有很大随机性，因而采用了马尔科夫随机过程理论。
This study supported by mathematical method was from a new angle. For example, in the aspect of forest fire forecast, the main cause of forest fire was artificial fire, which had lots of randomness.
如果气候变化才是森林火灾日益严重的主要原因，那么清除灌木丛本身是没有多大帮助的。
Clearing bush by itself won't help much if changes in climate are largely responsible for increasingly severe forest fires.
大量隧道火灾案例表明，烟气和毒气是人员窒息中毒伤亡的主要原因。
Many tunnel fire incidents show most people died from smoke choking and toxic gases.
火灾是导致意外死亡的一个主要原因。
高层建筑火灾中，烟气是阻碍人们逃生和灭火行动，导致人员死亡的主要原因之一。
In the high-rise building fire, the smoke is one of the main reasons to impede escape and fire-fighting operations, resulting in the death.
通过对一起烤漆房火灾事故进行的技术分析，发现管理不善是事故的主要原因；
A Technology analyse for a accident of spraybooth fire shows that the main reason is the poor management;
分析了铁的硫化物的危害特性 ，阐述了硫化物“自燃”产生的热量是造成油罐发生火灾事故的主要原因 ，并提出了相应的防护措施 ，提高油罐日常使用的安全可靠性。
Self-ignition accident by sour oil tank was analyzed, and the major reason was found to be thermal oxidation of iron sulfides generated from reaction of rust with hydrogen sulfide.
分析了铁的硫化物的危害特性 ，阐述了硫化物“自燃”产生的热量是造成油罐发生火灾事故的主要原因 ，并提出了相应的防护措施 ，提高油罐日常使用的安全可靠性。
Self-ignition accident by sour oil tank was analyzed, and the major reason was found to be thermal oxidation of iron sulfides generated from reaction of rust with hydrogen sulfide.
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