coating agent

例句：

1. 1. The new paint will provide a durable and protective coating on the wooden surface.
   新的油漆将为木质表面提供持久的保护层。
2. 2.The company uses a special coating agent to improve the durability of their products.
   该公司使用一种特殊的涂覆剂来提高其产品的使用寿命。
3. 3. The coating agent is essential for preventing corrosion in marine environments.
   这种涂覆剂对于防止海洋环境中的腐蚀至关重要。