Small blockages or collapses of the canal would choke the intricate irrigation networks.
运河的小堵塞或崩塌会阻塞错综复杂的灌溉网络。
Expands or collapses the timescale for the section on the right side of the table.
展开或折叠表格右侧部分的时间刻度。
Expands or collapses the timescale for the section on the right side of the table.
展开或折叠表格右侧部分的时间刻度。
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