对砌筑承重结构拌和砂浆前要对原材料加热,且应优先加热砂。()
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In a charter-party,where there is a conflict between the printed and written parts of the
A. be transferred to
B. be preferred to
C. be referred to
D. conferred to
I am () engineer.
A. a
B. an
C. /
学术界对第三部门的研究扩大了社会对它的了解,使其在筹集资金、提供服务等方面得到更多的便利条件。()