This can cause a fire if an ignition source is present.
如果存在火源，这会导致起火。
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。
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。
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。
To exclude higher oxygen concentration in an equipment with an potential source of ignition we use Nitrogen to dilute the air in the vessel.
避免设备内氧气浓度过高以及火源的存在，使用氮气稀释釜内空气。
Sometimes, an idea can be totally unrelated to the source of your inspiration, but the key is that spark, that energy, that ignition that gets your mind going.
有时你会得到一个与寻找灵感的源泉一点都不相干的的灵感，关键在于那个能让激发你开动脑子的火花和活力。
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。
The satisfactory tests of arc-ignition and good properties of welding process may prove this switched MOSFET arc welding power source to be an electronic power source with broad prospects.
利用所研制的开关式场效应管弧焊电源进行引弧试验和工艺 试验，结果表明，此电源具有良好的引 弧性能和工艺性能，是一种发展前景较远大的电子 弧焊电源。
The satisfactory tests of arc-ignition and good properties of welding process may prove this switched MOSFET arc welding power source to be an electronic power source with broad prospects.
利用所研制的开关式场效应管弧焊电源进行引弧试验和工艺 试验，结果表明，此电源具有良好的引 弧性能和工艺性能，是一种发展前景较远大的电子 弧焊电源。
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