planar double-enveloping wormwheel

例句：

1. 1.The design of the planar double-enveloping wormwheel is optimized for efficient energy transfer.
   该平面双层包裹式蠕虫轮的设计优化了能量传输效率。
2. 2. The engineers developed a new type of planar double-enveloping wormwheel to improve the efficiency of the machine.
   工程师们开发了一种新型的平面双层包裹式蠕虫轮，以提高机器的效率。
3. 3. The planar double-enveloping wormwheel was used in the construction of the new bridge, whichgreatly reduced the construction time and cost.
   这种平面双层包裹式蠕虫轮被用于新桥梁的建设中，大大缩短了施工时间和成本。