sewer tunnel排水: drain off water; drain away ...隧道: tunnel; tunneling; tunnellin ...导水隧道: aqueduct tunnel headrace tunnel; aqueduct tunnel, headrace tunnel过水隧道: [土] water tunnel汲水隧道: draw-off tunnel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:排水隧道,即可在微信中查询翻译