盾构施工中地层隆沉发展过程是(),开挖面沉降,(),盾尾间隙沉降,长期延续沉降
参考答案:初期沉降,尾部沉降
下列物质中,不属于电解质的是( )
A.Na OH
B.H2SO4
C.Na Cl
D.蔗糖
—Where is Jenny sending this letter?
—_________. [ ]
A. To Shenzhen
B. He is in Beijing
C. A stamp, please
D. One yuan