second coolingby wind

• 二次风冷

second coolingby wind的用法和样例：

例句

1. The existing auxiliary wind adjustment has a nonideal quick opening characteristic and intense vortex.This paper offered a new design of the controlling valve.
   对锅炉配风二次风调节器件进行研究，现有的二次风调节风门具有极不理想的快开特性，另外风门涡流强烈。