pedal retaining collar

例句：

1. 1. The pedalretaining collar is designed to prevent thebike from falling over when you'reriding it.
   脚踏式保持夹的设计是为了防止你在骑行时自行车翻倒。
2. 2. The engineerused a pedal retaining collar to securethe bolts in place.
   工程师使用脚踏式保持夹来固定螺栓。
3. 3. The pedal retaining collar was a crucial component of thebicycle's design.
   脚踏式保持夹是自行车设计中至关重要的组成部分。