unsymmetrical beam

例句：

1. 1.The engineers designed the bridge to be unsymmetrical to withstand heavy loads.
   工程师设计这座桥为非对称结构，以承受重载。
2. 2. The asymmetrical beam is crucial for supporting the weight of the structure.
   这个非对称梁对于支撑结构的重量至关重要。
3. 3. The unsymmetrical beam was used as an innovative solution to reduce vibrations in the building.
   这种非对称梁被用作一种创新的解决方案，用于减少建筑物中的振动。