1)supplementary arc,余弧架2)supplementary arc,余弧3)remnant arc,残余弧4)arch-shaped space truss,弧形网架5)overhead transmission line sag,架线弧垂6)crading,弧顶架
用法和例句
The angle measurement on overhead transmission line sags finds a wide use in northwest 750 kV transmission lines thanks to their special features-high altitude and large span.