road crust路面: road surface; pavement层: I storey; tier; stratum面层;路面;铺筑路面: surfacing道路面层: carpet coat; road crust; road deck; surface course (road)多孔路面层: open-textured road surface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:路面层,即可在微信中查询翻译