A.挖填方工程量B.土方開挖機(jī)械C.場(chǎng)地設(shè)計(jì)標(biāo)高D.土方施工方案
A.2% B.3% C.5% D.10%
A.1:0.5 B.1:l C.1:2 D.1:4