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煤尘 méichén
anim.husb. braise
ecol. smut
tech. dust-methane-air-mixture; fine breeze; smuts
wind. coal dust; dust and soot
煤尘采煤时产生的煤粉,它浮游在空气中是造成煤尘爆炸的原因 méichén
expl. coal dust
煤尘
: 51 phrases in 10 subjects
Agriculture1
Dermatology1
Ecology2
Engineering geology1
Explosives and Explosive Ordnance Disposal8
General1
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Oil / petroleum1
Technology27