roadside drainage路: road; way; path侧: slant; sloping排水: drain off water; drain away ...舷侧排水阀: overboard discharge valve舷侧排水孔: overboard discharge; scupper shoot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:路侧排水,即可在微信中查询翻译