... balllock球形闸门 brick on edge侧砌砖 building space修建物空间 ...
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侧砌砖 brick laid on edge; brick on edge; brick on-edge; brick set on edge 衬砌砖 back up lining brick; lining brick ..
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侧砌砖 brick laid on edge; brick on edge; brick on-edge; brick set on edge 衬砌砖 back up lining brick; lining brick .
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短语
侧砌砖层
brick-on-edge course
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