wash-prime coat

例句：

1. 1.The car was washed and primed before being driven to the showroom.
   汽车在被运往展厅之前，先被清洗和打底漆。
2. 2. The painter used a wash-prime coat to protect the wood from water damage.
   画家使用一种洗刷涂层来保护木材免受水损。
3. 3.The engineer applied a wash-prime coat to the metal surface before painting.
   工程师在涂装前，给金属表面涂上一层洗刷涂层。