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泥底
ocean.	mud bottom
tech.	muddy bottom

泥底: 262 phrases in 19 subjects

Agriculture	4
Architecture	4
Bridge construction	2
Desert science	2
Drilling	5
Earth sciences	1
Ecology	4
Electronics	2
Engineering geology	7
Environment	1
Fish farming pisciculture	1
General	5
Nautical	2
Oceanography & oceanology	2
Oil / petroleum	14
Shipbuilding	4
Soil science	1
Technology	183
Water resources	18