1·Electricity is a very common ignition source in fires.
电气是一种很常见的火灾源头。
2·This can cause a fire if an ignition source is present.
如果存在火源，这会导致起火。
3·To avoid an explosion we have to avoid oxygen (from air), ignition source or higher vapour concentrations.
避免产生爆炸，应该避免氧气(空气中)，火源或高蒸汽浓度状况存在。
4·The electric fire ignition source was often burnt out, some Suggestions on how to improve the condition were given.
根据试验时经常出现的引火源电热丝烧断的现象，提出了改进的建议。
5·The LEL of a gas is the minimum concentration of that gas in air at which an ignition source will cause an explosion.
气体的LEL是指用火源使空气中的该气体爆炸的最低气体浓度。
6·EN1021-1 Furniture – Assessment of the ignitability of upholstered furniture – Part 1: Ignition source smouldering cigarette.
EN1021-1 规定了评估用于软垫座椅组合材料（如面料和填充物）对于阴燃香烟阻燃性的测试方法。
7·The damage and overheating of wire insulation are main ignition source in the fire incidents of the manned spacecraft in microgravity.
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。
8·Since almost all textile materials will burn when exposed to an ignition source, it is necessary to describe or define how these materials burn.
由于几乎所有的纺织材料在遇到火源时都会燃烧，因此有必要对这些材料的燃烧情况进行定义和描述。
9·This can cause a fire if an ignition source is present. Although oxygen is not flammable it will support and vigorously accelerate the combustion of other materials.
如果存在火源，这会导致起火。尽管氧本身是不可燃的，它能支持和大大加速其它材料的燃烧。
10·In February 2016, the US National Transportation Safety Board issued a warning about lithium batteries in aeroplane cargo, describing them as "a fire and explosion ignition source".
2016年2月，美国国家运输安全委员会发布了一条关于飞机货物中锂离子电池的警告，将其描述为“引发火灾和爆炸的来源”。