spillway hole溢水: overflow; overfall孔: hole; opening; aperture前面溢水孔: applied deebasin surface溢水: overflow; overfall◇溢水道 gole; 溢水沟 waste canal; overfall; overflow; 溢水管 warning pipe水孔: waterstoma下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:溢水孔,即可在微信中查询翻译