roughcasting is roughcast's Present Participle

roughcast

US 
UK 
  • v.【建】粗作;打底子;打底用灰泥;(拟定)大体方案
  • Web毛坯铸件
Plural Form:roughcasts  Present Participle:roughcasting  
v.
1.
【建】粗作,粗制;粗涂,打底子;打底用灰泥;(拟定)大体方案