crest spillway坝: dam dyke; embankment溢洪道: spillway坝顶泄槽溢洪道: overshot spillway; overshotspillway溢洪道: [水文] spillway◇溢洪道护坦 spillway aprons形溢洪道: ogee spillway下载手机词典可随时随地查词查翻译
