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filtering medium
auto.	过滤介质材料; 滤清器填充料
chem.	滤质
f.trade.	滤纸
mech.eng.	过滤介质
met.	助滤剂; 过滤介质
oil	滤料

filtering medium : 15 phrases in 5 subjects

Architecture	1
Chemistry	1
Ecology	2
Surveying	1
Technology	10