可松动系数KS为1.10的土属于()。
A、松软土
B、普通土
C、坚土
D、砂砾坚土
参考答案:A
If you any problems when you arrive at the airport, give me a ring.
A.come up with
B.set about
C.run into
D.put aside
核心专长具有哪些特征?