短語(yǔ)詞組短語(yǔ)low -carbon spring steel 低碳彈簧鋼Quenched Low -Carbon Steel 淬火低碳鋼thomas low -carbon steel 堿性轉(zhuǎn)爐低碳鋼deformed low -carbon steel 形變低碳鋼 返回 low carbon steel