有毒化学品有爆炸后进入空气的危险。
There is a risk that toxic chemicals might be blasted into the atmosphere.
当空气中甲烷浓度超过百分之五的时候就会爆炸。
It explodes at concentrations in the air of as little as 5 percent.
'甲烷'。''和空气的爆炸混合物。
他们正在检测高空空气以收集原子爆炸的证据。
They were monitoring the upper air to collect evidence of atomic explosions.
爆炸之后，大楼里的空气充满了灰尘。
After the explosion, the air in the building was filled with dust.
能燃烧，蒸气与空气形成爆炸性混合物，爆炸极限7% - 73%(体积)。
Can burn, vapor and air to form an explosive mixture, the explosion limit of 7%-73% (volume).
相反，相对缓慢移动的水是用来爆炸空气过去的刀片。
Instead, relatively slow-moving water is used to blast air past its blades.
完全采用压缩空气为能源，不使用电，绝无爆炸，起火等潜在的安全隐患。
Totally driven by compressed air, no electric power, no explosion, fire caused by electric sparks.
分析了空气中爆炸时挡波墙对冲击波的削波作用。
The cut effect of gear wave wall on explosion in air is analyzed.
空气泄漏气体供应系统，通常不会引起爆炸。
Air leakage into the gas system does not generally give rise to explosions.
R6与空气或未与空气接触发生爆炸。
与空气或未与空气接触发生爆炸；
与空气或未与空气接触发生爆炸；
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