包鸡过夜怎么玩比较好

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        庫存目錄
        慶豪冷拉廠:冷拉方鋼中冷拉速度控制
        發布日期:[2018-8-10 14:24 Friday]

                                                                                 慶豪冷拉廠:   冷拉方鋼中冷拉速度控制

            慶豪冷拉廠 冷拉方鋼冷拔速度控制:
          要使鋼筋充分變形,就要適當控制冷拉速度,一般以0.5~1.0為宜。同時要求,冷拉到規定的應力和冷拉率以后,隨即停拉2~3以后,再放松鋼筋,結束冷拉,以給鋼筋充分變形的時間。

        包鸡过夜怎么玩比较好

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