集料冲击值试验选用的集料试样粒级为()mm。
A.4.75~9.5
B.9.5~13.2
C.13.2~16
D.16~19
参考答案:B
If you ________ him tomorrow, please ask him if he _________ to the park with us. [ ]
A. see; will go
B. will see; will go
C. will see; goes
顶棚抹灰基层处理。对于预制混凝土楼板,要用______灌注预制板缝,以免板缝产生裂纹,并用钢丝刷清除附着的______。