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arched girder
bridg.constr. 拱梁; 拱形梁
el. 拱形桁架
tech. 拱主梁; 拱形主梁; 拱形大梁; 拱形; 弧形梁
arched girder
: 118 phrases in 5 subjects
Architecture13
Bridge construction2
Electronics1
Metallurgy2
Technology100