malleable hard iron 中文意思是什麼
malleable hard iron
解釋
韌性鑄鐵-
It is fused with first - class raw materials and 3500kva furnace, used to grind metals of high - tensil strength such as steel, annealed malleable iron and hard bronze. itcan also be used as high - class refractory
棕剛玉是採用一流的原料並在3500kva冶煉爐中冶煉而成,適宜磨削抗張強度較高的金屬,如各種通用鋼材,可?鑄鐵,硬青銅等,也可用於製造高級耐火材料。
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