stream underflow河底: river bottom潜流: undercurrent; underflow subc ...河底潜坝: low-level groin; low-level groyne河底潜堤: bed groyne; submerged groin河底潜丁坝: low level groin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:河底潜流，即可在微信中查询翻译
