短語詞組短語refractory casting materials 耐火澆注料synthetic refractory raw materials 郃成耐火材料refractory ramming materials 耐火擣打料refractory raw materials 耐火原料Magnesium refractory raw materials 鎂質(zhì)耐火原料refractory metal materials 難熔金屬材料basic refractory raw materials 堿性耐火原料low cement refractory casting materials 低水泥耐水澆注料Refractory Raw Materials in China 中國耐火材料用原料 返回 refractory materials