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crescent truss
archit.	月牙形桁架
met.	月牙桁架
tech.	镰刀形桁架; 月牙形桁架; 弓形桁架
crescent roof truss
el.	月牙形屋盖桁架
crescent-truss
bridg.constr.	拱式桁架

crescent -truss: 1 phrase in 1 subject

Technology

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