鉬鉻鎳鋁系合金鋼. SCM440/SCM415/SNCM439/SNCM220/SACM645/SNCM420. 產品名稱: SCM440 (More info) e3d67e530e9f769f541f076f78fdb31f.jpg 特性: 鉻鉬合金鋼(紅十字) ...
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