04 中文名称: 门框.钢门框.第2部分:金属门窗梃石膏墙的标准门框 英文名称: Door frames - Steel door frames - Part 2: Standard door frames for metal stud gypsum walls
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The door frames are from China and the floor marble has been imported from Uganda.
门框来自中国,而大理石地板则从乌干达进口。
They often reuse old window and door frames, timber, roof sheets, sometimes bricks.
他们常常重新使用旧窗户和门框、木材和房顶,有时候还回收使用砖。
QB is controlled remotely, but an in-built laser guidance system ensures it does not bump into the furniture or door frames.
QB可以进行远程控制,同时一个内置的激光制导系统确保它不会撞上家具或者门框。
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