打底层的英文

base coat

• 打:    strike; hit; knock
• 底层:    ground floor; firs ...
• 黏合层；“打底层”:    bond coat

例句与用法

1. Mixed uniformity before use it , the first layer should be thin and well - proportioned , wood oil which are not absorbed should be erased by rag after twenty minutes
   使用前要搅拌均匀，第一道打底层薄而均匀， 20分钟后用抹布擦掉未被吸收的木油。