單項(xiàng)選擇題
A.1100mB.2100mC.3100mD.4100m
A.200mB.300mC.400mD.500m
A.10mm2B.15mm2C.25mm2D.30mm2
A.1200mmB.800mmC.100mmD.600mm
A.50mm2B.60mm2C.70mm2D.80mm2
A.100mB.200mC.300mD.400m
A.10B.20C.30D.40
A.一次解鎖B.分區(qū)解鎖C.逐段解鎖D.區(qū)段解鎖
A.不大于25mB.不大于5mC.不小于25mD.不小于5m
A.1B.2C.3D.4
A.10%B.20%C.30%D.40%