常见例句There should be no crackle, pore, sand and coldshut defect. 4鑄件不得有裂紋、氣孔、夾砂、冷隔等有害缺陷。Analysis and Countermeasure of Coldshut of Frog Flangeway of High Manganese Steel 高錳鋼轍叉輪緣槽冷隔分析與對策 返回 coldshut