self-oiling guide bushing

例句：

1. 1. Thenew self-lubricating guide bushing has greatly improved the performance of the machine.
   新型自润滑导向衬套大大提高了机器的性能。
2. 2. The engineers designed a self-lubricating guide bushing to reduce friction and improve efficiency.
   工程师们设计了一种自润滑导向衬套，以减少摩擦并提高效率。
3. 3.The self-lubricating guide bushing is widely used in industries that require high precision and low friction.
   自润滑导向衬套在需要高精度和低摩擦的行业中得到了广泛应用。