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重矿物
desert.	heavy mineral
earth.sc.	heavy-mineral
oil	heavy minerals
tech.	dense mineral
泥浆加重剂重矿物
dril.	heavy-mineral
金刚石伴生的重矿物
expl.	bantam

重矿物: 36 phrases in 7 subjects

Desert science	1
Earth sciences	5
Explosives and Explosive Ordnance Disposal	1
General	1
Geology	3
Oil / petroleum	2
Technology	23