纯钢，读音是chún gāng，汉语词语，指精炼之钢；全钢。
这些门用纯钢制作，里面用混凝土填充。
These gates are made from pure steel, and the inside part is filled with the concrete.
对经时效处理后的含铜高纯钢进行了显微硬度测试。
Microhardness testing during aging treatment in high purity steel bearing copper was carried out.
这些门用纯钢制作，里面用混凝土填充。这两扇门重达20吨。
These gates are made from pure steel, and the inside part is filled with the concrete. The weight of the gates is 20 tons.
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