采用塑限含水量W=18%的粉质黏土作填土土料修高速公路路基,分层铺土碾压时,下列()种含水率相对比较合适。
A.12%
B.l7%
C.22%
D.25%
参考答案:B
---Excuse me, do you know when the film is on?
--- The poster will be _________this afternoon. It will tell you the time.
A.put down
B.put on
C.put up
D.put away
空气的容积V1=2m3,由p1=0.2MPa,t1=40℃,压缩到p2=1MPa,V2=0.5m3。则过程的多变指数和压缩功分别为()。
A.1.03,625kJ
B.1.12,-625kJ
C.1.16,-625kJ
D.1.28,625kJ