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预沉
ecol. presetting
tech. preliminary sedimentation (作用); pre-sedimentation
预沉
: 89 phrases in 17 subjects
Agriculture2
Bridge construction8
Construction1
Desert science1
Electronics4
Engineering geology3
General1
Geology1
Hydroelectric power stations1
Metallurgy4
Oil / petroleum1
Port facilities2
Rail transport2
Space2
Technology53
Textile industry2
Water resources1