bitumastic是什么意思？

bitumastic

英['baɪtju:mɑ:stɪk] 美['baɪtjumɑstɪk]

• n. 沥青砂胶；
• adj. 沥青砂胶的；

英英词典释义

• Noun
  1. a protective coating of asphalt and filter used on structural metals that are exposed to weathering