lower explosive limit 爆炸下限 ; 最低爆炸极限 ; 低爆炸限制
explosive limit [油气] 爆炸极限 ; 爆炸极限值 ; 爆发限度
upper explosive limit 爆炸上限 ; 起爆上限
explosive limit of flammable gas 可燃气体的爆炸限
explosive concentration limit 爆炸极限
lel-lower explosive limit 或最低爆炸限
explosive limit of methane 甲烷爆炸界限
LEL lower explosive limit 最低爆炸极限 ; 爆炸下限
low explosive limit 爆炸下限
Can burn, vapor and air to form an explosive mixture, the explosion limit of 7%-73% (volume).
能燃烧，蒸气与空气形成爆炸性混合物，爆炸极限7% - 73%(体积)。
You must use a respirator if the fuel-gas concentration in the work area is 5% more than the lower explosive limit (LEL).
如果工作区域的油气浓度比最低爆炸浓度高出5%，必须使用呼吸器。
The explosive limit is one of main index to judge explosion fatalness of fuel gases.
爆炸极限是评定可燃气体火灾爆炸危险的主要指标之一。
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