protection of frost

• 防冻

protection of frost的用法和样例：

例句

1. Fill the cooling system with antifreeze as a protection against frost.
   在冷却系统里加防冻剂以防止霜冻。
2. Suitable noise and vibration isolation, and protection against freezing must be provided.
   必须提供适当的消声和隔振以及防冻措施。