挖土方为4.92*(0.8+0.1*2+4.92*0.5*2)=4.92*5.92=29.13
1、挖土方为4.92*(0.8+0.1*2+4.92*0.5*2)=4.92*5.92=29.13
木鱼199210 昨天16:39