rope lubricant

例句：

1. 1.The engineer used a rope lubricant to make the machine run smoothly.
   工程师使用一种绳索润滑剂使机器运行顺畅。
2. 2.The car was running with a rope lubricant on the engine.
   汽车在引擎上涂抹了绳索润滑剂正在运行。
3. 3.The technician applied a rope lubricant to the gears to prevent them from wearing out too quickly.
   技术员给齿轮涂上了绳索润滑剂，以防止它们磨损得太快。