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工字钢梁
archit. joist
auto. steel-1-beam
bridg.constr. I-beam; I-girder; H-beam
el. flange beam
met. I-iron girder
oil steel I-beam
tech. double T-beam; H-beam section
工字钢梁桁架
met. I-beam girder
工字 钢 梁: 26 phrases in 3 subjects
Bridge construction5
Metallurgy11
Technology10