第二立面的混凝土管道非常的沉重，朴实的，低技术的。
The second envelope of concrete tubes is heavy, earthy, low-tech.
用锯子或凿子一起切割固化混凝土管段以及水泥部分，形成奇形接头。
Cut cured concrete pipe sections with saw or chisel, and cement sections together to form odd shaped fittings.
区国土管理部门领取《拆除房屋许可证》后向业主发出拆除房屋通知书。
After having received Permit for house demolition, the district land department shall issue a notice of house demolition.
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