中插板

例句：

1. 1. The carpenter used a mortise and tenon joint to join the wooden planks together.
   木匠使用榫卯接合将木板连接起来。
2. 2. The engineer designed a new system that uses a hydraulic separator to separate oil from water.
   工程师设计了一种新的系统，该系统使用液压分离器将油与水分离。
3. 3. The scientist conducted experiments to test the effectiveness of a new materialas a gasket for sealing pipes.
   科学家进行了实验以测试新材料作为管道密封垫的有效性。