A.左股 B.右股 C.上股 D.下股
A.公安處 B.工務(wù)(橋工)段橋梁車間 C.車務(wù)段 D.屬地地方政府
A.8.6 B.8.8 C.13.4 D.13.6
A.20 B.50 C.80 D.800
A.10119m B.4100m C.1100m D.800m
A.0℃ B.250℃ C.50℃ D.300℃
A.4mm B.16mm C.8mm D.10mm