·2,447,543篇论文数据，部分数据来源于NoteExpress
介绍了大型渠道机械化衬砌用混凝土的技术参数、衬砌机械化施工工艺流程及施工时设备操作使用要点等。
The authors introduce the technique parameters, construction flow and operation points on construction equipment of mechanized lining concrete on largescale canal.
这张榜单上的数据是由TorrentFreak网站从各种渠道搜寻而来，包括从大型的BitTorrent tracker那里收集来的报告。
The data for this list is collected by TorrentFreak from several sources, including reports from all the large BitTorrent trackers.
加德桥是一个长达半英里的大型输水渠道，大约在两千年前建造而成。
The Pont du Gard is a huge aqueduct half a mile long that was built nearly two thousand years ago.
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