A.取土→運(yùn)輸→平地機(jī)整平→推土機(jī)初平→壓路機(jī)碾壓 B.取土→運(yùn)輸→推土機(jī)初平→平地機(jī)整平→壓路機(jī)碾壓 C.取土→運(yùn)輸→壓路機(jī)碾壓→平地機(jī)整平→推土機(jī)初平 D.取土→運(yùn)輸→平地機(jī)整平→壓路機(jī)碾壓→推土機(jī)初平
A.80B.100C.150D.200
A.泥炭 B.強(qiáng)膨脹土 C.凍土 D.腐殖質(zhì)的土