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  • CR5-HD60G60G-E和CR5-HD60G60G-U什么区别 CR5-HD60G60G-E和CR5-HD60G60G-U什么区别

    GMW3399M-ST-S CR780T/420Y DP HD60G60G-U相当于什么材料?这里面的这些数字英文代表什么意思。GMW3399M-ST-S代表通用标准;CR代表冷轧;780代表抗拉强度;420代表屈服强度;DP代表

    2024-05-04

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