在建筑用碎石的标准中规定做含泥量、泥块含量所需的天平技术指标是相同的,称量为();感量为()。
参考答案:1kg;1g
I would like to ( ) a flight to Paris on January 8 on Air France, First Class and round trip.
A.have book
B.book
C.want
D.have wanted
混凝土蒸汽养护静停时间一般为( )小时,以防止物件表面产生裂缝和疏松现象。
A.1~2
B.2~6
C.3~8
D.4~9