A.2.0 B.2.5 C.2.B D.3.0
A.松軟土、普通土、砂礫堅(jiān)土、堅(jiān)土 B.普通土、松軟土、砂礫堅(jiān)土、堅(jiān)土 C.普通土、松軟土、堅(jiān)土、砂礫堅(jiān)土 D.松軟土、普通土、堅(jiān)土、砂礫堅(jiān)土
A.443 B.423 C.453 D.413