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。
The ultrafine comminution of sepiolite from Henan was studied by the dry and wet grinding method.
利用干法、 湿法对河南西峡优质海泡石粘土进行超细粉碎。
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