if the adoption of clean dry grinding polishing putty skills, conditions will be relatively better, if adopt the craft grinding method, pollution will be very serious.
假如腻子打磨采纳了无尘干磨技能,状况会相对好一些,假如采纳的是手艺打磨方法,污染就会十分严峻。
this study evaluates the effect of dry grinding on physic-chemical properties of silica materials prepared from kaolin residue.
本论文系统地研究了机械研磨对高岭土渣制备白炭黑样品的物理化学性能的影响。
the compulsive-cold grinding and dry grinding tests were made.