... 预拆除preliminary demolition 标孔hole marking 拆除爆破施工组织与管理organization and management of blasting demoli-tion project ...
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marking hole [通信] 传号孔
Represented here is one of the last square hole cash issues, marking an end to the over two thousand year tradition of using the square hole cash design.
这枚最后的方孔钱，标示著使用了两千年之久的方孔制钱设计的终结。
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