More often, all of the materials exposed to the etchant have a finite etch rate.通常, 所有暴露在刻蚀剂中的材料都具有一定的刻蚀速率.More often , all of the materials etchant have a finite etch rate.剂中的材料都具有一定的刻蚀速率.Hydrofluoric acid of Porcelain ...
More often , all of the materials etchant have a finite etch rate.剂中的材料都具有一定的刻蚀速率.Hydrofluoric acid of Porcelain Etchant and phosphoric acid of UNI - ETCH are severe eye and tissue irritants.瓷酸蚀剂的氢氟酸和UNI-ETCH的磷酸是一种强烈的眼睛和...