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弓形桁架
gen.	camelback truss
archit.	framed arch; hog-back truss
bridg.constr.	segmental truss
el.	segmental girder; bow girder
tech.	arch-type truss; bowstring truss; camber back truss; cambered truss; camel-back truss; crescent truss; hogback truss

弓形桁架: 5 phrases in 2 subjects

Construction	1
Technology	4