单项选择题 A、连续积分2次 B、 C、 D、以上均可以
单项选择题 8.对结构或构件上的测点,宜布置在混凝土浇筑方向的侧面,应分布在外荷载或预应力钢筋压力引起应力最小的部位。 A、正确 B、错误
单项选择题 Some critics see the lower prices and rewards as bribes to manipulate customer loyalty and purchasing decisions, or in the case of infrequent spenders, a means of subsidizing them. A、True B、False