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plug hole
el.mach. 插孔; 塞孔
expl. 二次爆破炮孔
mech. 钻头牙掌塞销孔
nautic., tech. 塞孔船底放水孔
oil 塞头孔
plug-hole ['plʌghəul]
gen. 塞孔
plug hole: 39 phrases in 10 subjects
Automobiles2
Drilling5
Electronics1
Engineering geology1
Explosives and Explosive Ordnance Disposal2
Football2
Metallurgy3
Oil / petroleum7
Space1
Technology15