air knife

基本解釋

The slot 14 may be formed by use of a hot air knife or by a metal blade and defines upper and lower flaps 15,16 which are adhered to the edge 17 of the cloth.
槽14可以通過使用一個熱氣刀或者一把金屬刀片制成并且它限定了附著于該濾布的邊緣17上的上和下折板15，16。
Blowing equipment is using the latest air knife drying technology, two rows of high pressure air knife can sweep off the water at the surface of product quickly.
風干機用目前最先進的風刀干燥技術，通過兩排高壓風刀快速把產品價格表面的水分掃干，可無級調速。
Heavy edge control is a key matter in hot-dip galvanizing pro- cess. Based on the principle of the air knife jetting, the cause for heavy edge and its effect on the process are analysed.
邊部鋅層厚度控制是熱鍍鋅帶鋼生產中一個極重要的問題，從氣刀噴吹原理入手，分析了邊部鋅層增厚產生原因及其對生產的影響；

On days like we had in early October, when the air is so thick that you can almost cut it with a knife, you have to wonder whether China is taking the environment seriously.
FORBES: How Green is China?