And perforated concrete fence is metaphor of the form of traditional stone fence.
并且穿孔混凝土围栏是传统石头围栏形式的隐喻。
The invention relates to a stone fragment concrete perforated brick belonging to a building material, particularly to a perforated brick for industry and civil architecture.
一种碎石屑混凝土多孔砖，它涉及一种建筑材料，具体涉及一种 工业和民用建筑用多孔砖。
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