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废酸 fèisuān
agric., chem.	waste acid
met.	spent acid
oil.proc.	acid waste

废酸: 239 phrases in 20 subjects

Agriculture	3
Animal husbandry	1
Architecture	2
Chemistry	5
Drilling	1
Earth sciences	4
Ecology	22
Electronics	2
Engineering geology	4
General	2
Industry	1
Metallurgy	27
Oil / petroleum	6
Oil processing plants	2
Plastics	1
Shipbuilding	3
Steel production	2
Technology	126
Textile industry	1
Water resources	24