ground subsoil路面: road surface; pavement底基: mudsill; sole; sole plane路面底层: subcrust底基: [土] mudsill; [地] sole; sole plane◇底基层 [土] underlayment; subbase; 底基面 sole plane打粗(面底): rough(u er, bottom); rough(upper, bottom)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:路面底基,即可在微信中查询翻译