cold blast air的意思|示意

A wintry blast is bringing cold air down and dumping up to a foot of snow on some parts of the region.

一股寒冷的强风给这里的部分地区带来了冷空气和一英尺的强降雪。

Suddenly , a cold air blast blowed over from the back , a cool voice said" You can never clean them , because you didn't use the washing powder."

这个时候，后面出来袭过一阵冷风，一个声音在耳边响起：“你洗不掉的，因为你没放洗衣粉。”

In the process of cooling of the HEJ the cold air is changed into hot blast and...

冷却用空气在冷却炉胆的过程中成为热风并被送入炉内实行热风操作。

The flow patterns in blast chamber and the main reasons for non-uniform air distribution in regenerator are discussed. The uniform blast theory and uniform cold air blast technology are introduced.

阐述热风炉鼓风室内气流的流动规律，论述气流分布不均的主要原因，介绍均匀配气原理和冷风均匀配气技术。