欧美日韩国语动漫一区二区,日产欧美国产一区二区在线观看,日韩在线视频导航,夜夜久久国產精品亚洲AV

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                                產品詳情
                                IIIK型軌枕

                                IIIK型軌枕

                                圖號:  專線9661     軌距(mm):1435   枕長(mm):2600   質量(kg):359 
                                混凝土等級:C60    靜載抗裂強度檢驗值(kN)靜載抗裂強度檢驗值(kN) :  軌下  210   枕中   170  
                                張拉力(kN):415±5

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                                圖號:  專線9661     軌距(mm):1435   枕長(mm):2600   質量(kg):359 
                                混凝土等級:C60    靜載抗裂強度檢驗值(kN)靜載抗裂強度檢驗值(kN) :  軌下  210   枕中   170  
                                張拉力(kN):415±5

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                                                              欧美日韩国语动漫一区二区,日产欧美国产一区二区在线观看,日韩在线视频导航,夜夜久久国產精品亚洲AV