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遼陽電極鈹銅管HV硬度

共有 1 遼陽電極鈹銅管HV硬度 廠家,在鋁雲匯發布了 2 遼陽電極鈹銅管HV硬度 產品信息。
石墨電極,主要以石油焦、針狀焦爲原料,煤瀝青作結合劑,經煅燒、配料、混捏、壓型、焙燒、石墨化、機加工而制成,是在電弧爐中以電弧形式釋放電能對爐料進行加熱熔化的導體,根
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