pitch width of pulley groove

例句：

1. 1. Theengineer measured the pitch width of the pulley groove to ensure it was within therequired specifications.
   工程师测量了滑轮槽的宽度，以确保它符合规定的规格。
2. 2. Themachine's efficiency was greatly improved byadjusting the pitch width of the pulley groove.
   通过调整滑轮槽的宽度，机器的效率得到了极大的提高。
3. 3. The manufacturerhad to modify the design of the pulley groove to accommodate the new pitch widthrequirements.
   制造商不得不修改滑轮槽的设计，以适应新的宽度要求。