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to phrases
bolt heading
met. 顶锻螺栓; 镦锻螺栓
bolt head
dril. 长颈烧瓶
el.mach. 螺钉头
shoot. 机头
wind. 螺栓头
bolt-head
gen. 蒸馏用长颈烧瓶
archit. 机头
bridg.constr. 螺栓头
bolt heading: 123 phrases in 21 subjects
Agriculture2
Architecture2
Automobiles26
Aviation6
Bridge construction4
Business2
Chemistry1
Compressors3
Construction5
Drilling2
Electronics1
Exhibitions1
General1
Hydroelectric power stations5
Metallurgy4
Oil / petroleum1
Rail transport1
Shipbuilding2
Shooting sport2
Technology49
Wind Energy3