bitumen lining沥青: pitch; asphalt; bitumen; min ...内: inner; inside; within搪: ward off; keep out; withstan ...层: I storey; tier; stratum衬里: lining; underlining; backing ...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:沥青内搪层;沥青衬里,即可在微信中查询翻译