The relative viscosity of this water based alkaline slurry containing about 45wt% Al_2O_3 can be lowered to a value less than 2 by adding 0.25wt% lignosulfonates or 0.5 wt% gum arabic.是什么意思_The relative viscosity of this water based alkaline slurry containing about 45wt% Al_2O_3 can be lowered to a value less than 2 by adding 0.25wt% lignosulfonates or 0.5 wt% gum arabic.在线翻译_英语_读音_用法_例句