采(cai)用(yong)熱蠟(la)噴(pen)注方式生(sheng)產(chan)各種小砂輪,廣泛用(yong)于軸(zhou)承(cheng)內孔(kong)磨、油(you)泵、油(you)嘴(zui)生(sheng)產(chan)及(ji)多(duo)種工件的內孔(kong)磨削