( )是用两根固定不动的抱杆吊装数量较多的塔群。
A.双抱杆滑移法B.双抱杆递夺法C.联合吊装法D.整体吊装法
参考答案:B
The stadium _________ by workers now will be finished by the end of 2010.
A.to build
B.built
C.to be built
D.being built
胃内残留多少为胃潴留()
A.≥100ml
B.≥150ml
C.≥200ml
D.≥250ml
E.≥180ml