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高架铁道
gen.	suspension-railway
bridg.constr.	aerial railroad; suspended railway
econ.	an elevated railway
met.	elevated railroad; elevated railway; overhead railway
tech.	overhead rail; suspended railroad; suspension railway; viaduct
wind.	aerial railway
高架〔悬架〕铁道
transp.	suspended railway
高架〔架空〕铁道
transp.	aerial railway

高架 铁道: 2 phrases in 2 subjects

Bridge construction	1
Technology	1