The arch bridges can be divided into the single - arch the multi - arch varieties.
拱桥分为单 拱桥 和多拱桥两种.
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Multi - arch dam is one of light buttress dams and its capping plate shows arch.
连拱坝是挡水盖板呈拱形的一种轻型支墩坝.
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Masonry multi - arch dam is one of the best types of dam of hydraulic engineering.
砌石连拱坝是水利工程中比较优良的坝型之一.
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