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宽缘工字钢梁
met. H-pile; wide-flange beam; wide-flanged joist; wide-flange girder; wide-flange steel I-beam; wide structural steel I-beam
tech. bethlehem beam
伯利恒宽缘工字钢梁
met. Bethlehem beam
宽缘工字钢梁: 2 phrases in 1 subject
Technology2