A.1km B.1m C.1cm D.1mm
A.石灰土基層 B.水泥土基層 C.礦渣土基層 D.混合土基層
A.石灰劑量=石灰質(zhì)量/干土質(zhì)量 B.石灰劑量=干土質(zhì)量/石灰質(zhì)量 C.石灰劑量=石灰質(zhì)量+干土質(zhì)量 D.石灰劑量=石灰質(zhì)量×干土質(zhì)量