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坚石
bridg.constr.	hard rock; sound rock
hydroel.st.	solid-rock
tech.	hard stone; solid rock; bastard
坚石〔岩〕
life.sc.	solid rock

坚石: 71 phrases in 18 subjects

Architecture	1
Bridge construction	2
Company name	1
Dentistry	1
Dermatology	3
Desert science	1
Drilling	1
Electronics	1
Engineering geology	6
Explosives and Explosive Ordnance Disposal	6
Forestry	1
General	8
Hydroelectric power stations	2
Informal	1
Latin	1
Oil / petroleum	4
Rail transport	1
Technology	30