A.1mm B.2mm C.0.5mm D.1.5mm
A.40根 B.42根 C.45根 D.46根
A.路基面?zhèn)葴?br /> B.路塹邊坡 C.天然護(hù)道 D.路塹隔帶
A.1400mm B.1500mm C.1725mm D.1875mm
A.1mm B.2mm C.3mm D.4mm
A.100倍 B.200倍 C.300倍 D.400倍
A.地表 B.路堤坡面 C.地表及路堤坡面 D.路塹上
A.6mm B.8mm C.10mm D.12mm
A.1塊 B.2塊 C.3塊 D.4塊
A.2‰ B.4‰ C.6‰ D.8‰