porous drain多孔: multiaperture; multihole; po ...排水管: drain-pipe; pipe weep; exhau ...道: road; way; route; path多孔排水管: cess; perforated drain pipe; porous drain多孔排水层: pervious drainage layer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:多孔排水管道，即可在微信中查询翻译
