roller complement outside diameter

例句：

1. 1. The roller complement is crucial for the smooth operation of the conveyor belt.
   滚轮补充对于输送带的平稳运行至关重要。
2. 2. The manufacturer has designed a roller complement that can withstand high pressure.
   制造商设计了一种能够承受高压的滚轮补充。
3. 3. The engineer analyzed the roller complement's performance and made improvements accordingly.
   工程师分析了滚轮补充的性能，并据此进行了改进。