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熔岩 róngyán
archit.	latite
geol.	molten rock
hydroel.st.	lava
tech.	container rock
火山熔岩 róngyán
agric.	lava
tech.	1ava

熔岩: 379 phrases in 19 subjects

Agriculture	1
Arabic language	1
Architecture	3
Bridge construction	2
Construction	1
Desert science	18
Drilling	1
Earth sciences	9
Electronics	1
Engineering geology	42
French	1
General	33
Geology	3
Hydroelectric power stations	5
Metallurgy	2
Oil / petroleum	62
Space	1
Technology	192
United Nations	1