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circulating system
dril. 泥浆循环系统
eng.geol. 冲洗系统
hydroel.st. 循环系统
circulating system: 67 phrases in 16 subjects
Agriculture1
Business4
Commerce1
Drilling2
Ecology1
Electric machinery3
Electronics4
Engineering geology2
Metallurgy1
Nautical3
Nuclear and fusion power5
Oil / petroleum5
Refrigeration3
Space1
Technology29
Water resources2