The dust suppression system with air curtain was first proposed to solve the problem of dust and gas in mechanized heading faces in this paper.
介绍用气幕降尘系统解决机掘工作面的粉尘和瓦斯问题。
The method for preparing the aluminum alloy round ingot comprises the processes of fusant treatment, gas curtain casting and homogenizing annealing.
本发明制备铝合金圆铸锭的方法包括熔体处理工艺、气幕铸造工艺、均匀化退火工艺。
The main design problems of air cushion surge shaft include designing norm, layout design, water curtain design, the estimation of gas volume a.
气垫式调压室的主要设计问题包括设计准则、布置设计、气体体积及尺寸的估算、水幕设计、防渗处理等方面内容。