weir 是什么意思

中文翻译与英英解释

	n. 韦尔〔姓氏〕。 n. 1.〔英国〕堰，(导流)坝。 2.水口。 3.鱼梁。

	a low dam built across a stream to raise its level or divert its flow
	a fence or wattle built across a stream to catch or retain fish

A weir () is a barrier across a river designed to alter the flow characteristics. In most cases, weirs take the form of a barrier, smaller than most conventional dams, across a river that causes water to pool behind the structure (not unlike a dam) and allows water to flow over the top.

例句与用法

	1.	They shot some pretty weirs and rapids . 他们看到了一些美丽的堰坎和湍滩。
	2.	The discharge from the weir opening should be free . 从堰开口处的泻水应畅通。
	3.	These meters find wide use in open channel measurement and are usually a type of weir or flume . 这些流量计在明渠测量中得到广泛地应用，通常是以水槽或堰的形式出现。
	4.	Qualitatively similar results were obtained by ahmad (1953b)in a model study of a river barrage or weir . 阿赫麦德（1953b）在河道的闸坝模型研究中得到了定性的相同结果。
	5.	Study on discharge capacity of labyrinth weir 迷宫堰泄流能力及水力特性的试验研究
	6.	Analysis of effect of catchment weir on sedimentation tank 中途集水对沉淀池的影响分析
	7.	Travel in the hotel in the heart clan of dujiang weir 都江堰心族中旅饭店
	8.	Water flow measurement in open channels using thin - wall weir 用薄壁堰测量明渠中水流量
	9.	Liquid flow measurement in open channels . flat - v weirs 明渠液体流量的测量. v形平面溢流堰
	10.	Verification regulation of weirs and flumes for flow measurement 明渠堰槽流量计试行检定规程

weir是什么意思

weir 是什么意思

中文翻译与英英解释

例句与用法