A.5% B.10% C.15% D.20%
A.每隔1m沖筋 B.按設(shè)計(jì)坡度要求朝地漏方向沖筋 C.每隔0.5m沖筋 D.將基層找平
A.面層石粒不均 B.空鼓 C.裂縫 D.強(qiáng)度偏低