dual block design

例句：

1. 1.The dual block design of the new car is very practical and efficient.
   这款新车的双块设计非常实用且高效。
2. 2. In the dual block design, each block has two sides that can be used independently.
   在双块设计中，每个块都有两面，可以独立使用。
3. 3. The dual block design helps to improve the stability and safety of the vehicle.
   双块设计有助于提高车辆的稳定性和安全性。