为保证混凝土泵送的质量,泵送混凝土水泥用量不宜小于______。
A.200 kg/m3
B.250 kg/m3
C.300 kg/m3
D.350 kg/m3
参考答案:C
—Physics is an important subject, isn’t it ?
—Yes. ________it well and you’ll find it useful in your daily life.
A.Learning
B.Learn
C.Learned
D.To learn
( )是企业财产保险综合险理赔计算最重要的内容。
A.财产损失理算 B.检验费用理算C.施救整理费用理算 D.损余物资理算