短語(yǔ)詞組短語(yǔ)shape of weir crest 堰頂形狀length of weir crest 堰口長(zhǎng)度elevation of weir crest 堰頂高程adjustable weir crest 活動(dòng)堰頂fixed -crest weir 固定堰頂式堰broad crest weir 寬頂堰crest of weir 堰口;翻譯height of crest over weir 堰上溢流液頭;堰上液流高度rounded -crest measuring weir 圓頂量水堰 返回 weir crest