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钢混条基中,基础底板的受力钢筋直径不宜小于( ),间距宜为( ),分布钢筋直径不宜小于( ),间距不宜大于( )。
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【简答题】读短文，判断正（T）误（F）。 When people go to England, they must learn something about transportation there. In England, cars, buses and bikes must keep to the left side of the street. If a person wishes to cross...
【单选题】如图所示,黏性液体沿管道连续稳流。 已知, a , b 两管的截面积相同, c 管的 截面积等于 b 管截面积的一半。 下列说法正确的是:
A.
a管中液体平均流速最大
B.
b管中液体平均流速最大
C.
c管中液体平均流速最大
【单选题】Although he does not say it directly, Dr. Weinerman would probably agree that, if public transportation were improved______.
A.
the inner city might improve
B.
the middle class would move to the suburbs
C.
public roads would get worse
D.
more people would own cars
【简答题】T he links of international logistics are such as (运输) , (仓储) , (包装)、 (物料搬运)、 (加工)、 (配送)、 (检验检疫和通关) etc. 2 、 During the process of international cargo transportation,there are eight major types of int...
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