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污垢 wūgòu
gen.	tarnish
archit.	impurity
chem.	scale; soil
cosmet.	dirt
met.	fouling
oil	filth; foul
steel.	contaminant
水管、枪筒等中的污垢 wūgòu
gen.	fouling
污垢〔物〕 wūgòu
gen.	filth
污垢物 wūgòu
auto.	foul

污垢: 109 phrases in 23 subjects

Agriculture	1
Animal husbandry	3
Architecture	1
Automobiles	4
Aviation	1
Business	1
Chemistry	7
Compressors	2
Drilling	1
Ecology	3
Economy	2
Electronics	1
Environment	1
General	7
Metallurgy	3
Nautical	1
Nuclear and fusion power	1
Oil / petroleum	9
Polymers	1
Refrigeration	2
Technology	45
Textile industry	11
Transport	1