New becomes the hole material as the ceramic cement blowholegrinding wheel, the - fine naphthalene compares with traditional ChengKongji, has the blowhole to be even, does not have merit and so onpollution, odorlessness, easy to operate, price small advan
New becomes the hole material as the ceramic cement blowholegrinding wheel, the - fine naphthalene compares with traditional ChengKongji, has the blowhole to be even, does not have merit and so onpollution, odorlessness, easy to operate, price small advan
作为蜂窝陶瓷制品和陶瓷结合剂气孔砂轮的新型成孔材料，与传统的成孔剂—精萘相比，具有气孔均匀，无污染、无气味、使用方便、价格便宜等优点，且对砂轮气孔大小可任意调整。