parallel fold

例句：

1. 1. The new design features a parallel folding mechanism that makes it easy to store and transport.
   这款新设计采用了平行折叠机制，使得存储和运输都变得轻松。
2. 2. The parallel folding mechanism is designed to reduce the weight of the device while still providing the necessary functionality.
   平行折叠机制旨在减轻设备的重量，同时提供必要的功能。
3. 3. The parallel folding mechanism allows for more efficient storage and transportation of large items.
   平行折叠机制使得大型物品的存储和运输更加高效。