Aiming at the disadvantageous factor that the windvelocity of new breeze standing well is over, and brings upped the suggestion that pressure is added to sent wind.
针对新风竖井风速过大而造成的不利性，提出了对风速较大的新风竖井进行加压送风的建议。
2
The wind tunnels steady windvelocity control systems are composed of wind tunnel rev control system and wind tunnel velocity and pressure control system.
风洞稳风速控制系统主要由风洞稳转速控制系统和风洞稳速压控制系统构成。
3
The influence of colonization on several crops under different operating pressure and spray volume and windvelocity of biocontrol strains were studied.