[水文] channel segment; stream segment; reach河段面: stream cross section静河段: quiet reach; quietreach狭河段: constricted sections形弯曲河段: full meander不感潮河段: non-tidal river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:河段,即可在微信中查询翻译