T型翅片管的优点是传热性能主要受通道内复杂的汽液两相流动控制，凹槽内的沸腾使气体有规律的逃逸出来。
参考答案：对
"Would you mind doing the dishes for me, Sarah?"
"_____. I'll do them right away." [ ]
A. No, not at all
B. Yes
C. Certainly
圆盘锯锯短料时，料长不得小于锯片直径的1．5倍。
