multiple hole core

例句：

1. 1.The new product has a multiple hole core that can effectively reduce noise.
   新产品具有多孔核心，能有效降低噪音。
2. 2.The company's new technology uses multiple hole core to improve the performance of its products.
   该公司的新技术使用多孔核心来提高其产品的性能。
3. 3. The construction of this bridge uses multiple hole core, which is more durable and resistant to wear.
   这座桥梁的建设使用了多孔核心，这使得它更耐用且耐磨损。