吸收式制冷循环的基本组成是什么？
参考答案：
吸收式制冷循环由发生器、吸收器、冷凝器、蒸发器以及溶液泵、节流器等组成。
The Sanlu Milk Powder event is a clear indication that food safety is a big problem; nobody can ___ all foods are secure to us, but we are sure that the situation is turning for the better．
A．acknowledge
B．guarantee
C．identity
D．clarify
在三相异步电动机中，每相绕组在每个磁极下连续占有的槽数称为每极每相槽数。
