地下水位下降会引起原地下水位以下地基土()
A.自重应力减少
B.总应力增加
C.有效应力增加
D.无孔隙水
参考答案:C
—When were you born?
—I was born ________ April 23, 1979.
A.on
B.in
C.at
D.to
到岸估计