A.14.390 B.207.070 C.103.535 D.4.511
A.54" B.-54" C.6" D.-6"
支導(dǎo)線及其轉(zhuǎn)折角如圖,已知坐標(biāo)方位角αAB=45才00’00",則α12=()
A.186°01’00"B.6°01’00"C.173°59’00"D.353°59’00"