tongue and groove seal contact face

例句：

1. 1. The design of the new car features a tongue-and-groove seal contact face to improve fuel efficiency.
   这款新车的设计采用了舌形槽密封接触面，以提升燃油效率。
2. 2. The manufacturer used a tongue-and-groove seal contact face to ensure the durability of the product.
   制造商使用舌形槽密封接触面来确保产品的耐用性。
3. 3. The engineer tested the tongue-and-groove seal contact face under various conditions to ensure its reliability.
   工程师在不同的条件下测试了舌形槽密封接触面，以确保其可靠性。