单项选择题
A.7~14B.4~8C.5~10D.6~12
A.18B.15C.12D.10
A.0.4gB.0.3gC.0.2gD.0.1g
A.水泥粉煤灰碎石桩B.水泥搅拌桩C.旋喷桩D.灰土挤密桩
微信扫一扫,加关注免费搜题