【摘要】 在均匀吸风的基础上进一步讨论了定量吸风管道的描述方法，给出了定量吸风方程和方程的数值解法；最后给出了管道系统设计通用程序的编制方法及计算实例更多还原

【Abstract】 On the basis of the dust system of balanced air suction,this paper discusses the method for describing the dust system of air suction at the required quantities,and gives the equation of air suction at the required quantities and its numerical solution,finally gives common program for designing this dust system and a calculating example.\=更多还原