填石路基采用强力夯实施工时,填补夯坑的填料应选用()
A.碎石土
B.砂性土
C.软质石料
D.与路基同类型石质填料
参考答案:D
________ (assume) that we can't get the necessary equipment, we will have to give up the experiment.
医院精神管理