A.砌石護(hù)坡B.倒流結(jié)構(gòu)C.直接防護(hù)D.導(dǎo)流結(jié)構(gòu)
A.0.1~0.2B.0.15~0.2C.0.2~0.3D.0.1~0.15
A.0.5~1.0B.0.5~1.5C.0.8~1.0D.0.6~1.0