冷热流体分别在列管换热器的管程和壳程中流动，若аi远小于аo，则列管的壁温接近于（）的温度。
A.冷流体
B.热流体
C.无法确定
参考答案：B
Those businesses that are closely ____ sport such as the huge brands of Nike, Adidas and Puma make the clothes and equipment that sportspeople need to play their games.
A．applied to
B．contributed to
C．connected to
D．submitted to
