A.人工夯实不宜大于0.1m,机械夯实不宜大于0.2mB.人工夯实不宜大于0.15m,机械夯实不宜大于0.3mC.人工夯实不宜大于0.2m,机械夯实不宜大于0.4mD.人工夯实不宜大于0.3m,机械夯实不宜大于0.5m