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pipe casing
auto. 套官
bridg.constr. 导管
eng.geol. 井管; 钻孔套管
hydroel.st. 套管
nautic., tech. 管子套
tech. 管围壁; 管套; 管罩
pipe casing
: 23 phrases in 6 subjects
Drilling2
Earth sciences1
Hydroelectric power stations4
Mechanic engineering2
Metallurgy3
Technology11