bridge coupler 中文意思是什麼
bridge coupler
解釋
活動橋聯結器-
Series of ym prestressing strand anchorage and coupler for highway bridge
公路橋梁預應力鋼鉸線用ym錨具連接器規格系列 -
Test method and inspect rules of prestressing strand anchorage and coupler for highway bridge
公路橋梁預應力鋼鉸線用ym錨具連接器試驗方法及檢驗規則
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