lubricator shank

例句：

1. 1.The lubricator shaft is essential for smooth operation of the machine.
   润滑杆对于机器的顺畅运行至关重要。
2. 2.The engineer used a special lubricator shaft to reduce friction in the gears.
   工程师使用一种特殊的润滑杆来减少齿轮间的摩擦。
3. 3. The lubricator shaft was damaged during the accident, causing the machine to stop working.
   事故中润滑杆受损，导致机器停止工作。