two-sided reinforced concrete cover plate 双面钢筋混凝土盖板
Outdoor cable trench are reinforced concrete trench with reinforced concrete cover plate.
室外电缆沟由钢筋混凝土砌成，上面加钢筋混凝土盖板。
It can be used for in-situ pouring reinforced concrete or pre-stressed reinforced concrete hollow building cover, roof, base plate, wall and hollow bridge.
适用于各种现浇钢筋砼或预应力钢筋砼的空心楼盖、屋盖、基础底板、墙体、空腹桥梁使用。
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