【字彙解釋】

Weir, drawdoor 揚扉堰

Weir

n. 堰

drawdoor ：


【前後詞彙】

Weir, cross 橫堰
Weir, curtain 捲簾堰
Weir, curved 弧形堰
Weir, cylinder 圓筒堰
Weir, diversion 渠首堰，引水堰
Weir, double sluice 雙層排淤堰
Weir for measurement 量水堰
weir notch 堰缺口
Weir, drawdoor 揚扉堰
Weir, drum 鼓輪堰
Weir, emergency 防險堰