closing the toop of lining
... 无规运输trackless transportation 拱圈封顶closing the toop of lining 墙顶封口seal;seal at the top of wall ...
基于54个网页-相关网页
... closure of arch ring 拱圈封顶 ring closure 闭环作用 ; 环化 ; 环的闭合 ; 闭环 Multiple Ring Closure 形成多环终结 ...
基于40个网页-相关网页
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