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
                                YII-F型軌枕

                                YII-F型軌枕

                                圖號: 專線3385     軌距(mm):1435   枕長(mm):2500   質量(kg):258 
                                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  170   枕中   110  
                                張拉力(kN):345

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                                圖號: 專線3385     軌距(mm):1435   枕長(mm):2500   質量(kg):258 
                                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  170   枕中   110  
                                張拉力(kN):345

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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