Linux kernel newbies em português

(1) pump sent system constant power points: currently both at home and abroad enterprise production of trailer concrete pump, its pump sent body are used constant power system, dang pump sent pressure high Shi pump sent party volume low, pump sent pressure low Shi, pump sent party volume increased to power constant, conducive to power and main pump of reasonable match, from pump sent performance curve can seen, General constant power curve of up adjusting points hydraulic in 15~18MPa around.