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        電力用樹脂井蓋尺寸

         電力用樹脂井蓋模壓樹脂井蓋承載井蓋尺寸
        直徑:300mm,500mm,600mm,650mm,700mm,750mm, 800mm,750*450mm
        樹脂井蓋承載能力
        輕型:20KN,普通型:100KN,重型240KN特重型:360KN
        它又可著色,根據不同地域環境的需要,著不同顏色配合周圍環境的協調美觀。電力用樹脂井蓋尺寸

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