bond coat

例句：

1. 1. The bond coat is a critical component of the paint job.
   粘合剂层是油漆工作的关键组成部分。
2. 2. The engineer applied the bond coat carefully to ensure a strong bond.
   工程师仔细地涂上粘合剂层，以确保牢固的粘合。
3. 3. The bond coat was applied before the final coat for added protection.
   在最后一层漆之前应用粘合剂层以增加保护。