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双曲拱桥
bridg.constr. two-way curved arch bridge; double-curved arch bridge; double-arched bridge; two-way arch bridge; double convex arch bridge
expl. hyperbolic arch bridge
proj.manag. double-vaulted arch bridge
tech. double arch bridge; double curved arch bridge; hyperbolic arch
双曲拱桥
: 3 phrases in 2 subjects
Bridge construction2
Technology1