liner plate

例句：

1. 1. The engineer designed the new machine with a liner plate that would prevent scratches.
   工程师设计了一台新机器，带有一个衬板，以防止刮伤。
2. 2. The liner plate was made from high-quality steel to ensure durability.
   衬板由高质量钢材制成，以确保耐用性。
3. 3. The liner plate is essential for maintaining the smooth operation of the machine.
   衬板对于保持机器平稳运行至关重要。