耐火原材料相关论文
2006年全国耐火原材料进出口贸易总额142431.29万美元,比上年同期增长9.42%.其中出口贸易额128401.48万美元,比上年同期增长12.19%......
The refractory raw materials used in recent years were introduced,including metal and intermetallic compounds( aluminum,......