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浓度极限 nóngdù jíxiàn
chem. concentration limit
dril. limit of concentration
ecol. threshold concentration
tech. concentration threshold
wind. concentration lim it
浓 度极限
: 36 phrases in 14 subjects
Animal husbandry2
Chemistry3
Drilling1
Earth sciences4
Ecology4
Electronics2
Engineering geology1
Environment1
Explosives and Explosive Ordnance Disposal2
Metallurgy2
Oil / petroleum2
Space1
Technology10
Water resources1