A.軟石 B.堅(jiān)石 C.次堅(jiān)石 D.特堅(jiān)石
A.松軟土、普通土、堅(jiān)土、砂礫堅(jiān)土 B.普通土、松軟土、堅(jiān)土、砂礫堅(jiān)土 C.松軟土、普通土、砂礫堅(jiān)土、堅(jiān)土 D.堅(jiān)土、砂礫堅(jiān)土、松軟土、普通土
A.粒徑大小 B.承載能力 C.堅(jiān)硬程度 D.孔隙率