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保护套管 bǎohù tàoguǎn
commun., railw. protection sleeve
el.mach. protecting jacket
eng.geol. protective casing
met. protection tube; sheath tube; shroud
space protection casing
tech. protecting casing; protecting tube; sheathing
保护套管: 22 phrases in 7 subjects
Automobiles1
Drilling1
General1
Metallurgy11
Nautical1
Oil / petroleum3
Technology4