overlay加: add; plus铺路面: surface a road层: I storey; tier; stratum重铺路面；重铺面层；表面重修: resurfacing加铺防滑路面: skid resistance surfacing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:加铺路面层，即可在微信中查询翻译
