steam cylinder oil

例句：

1. 1. The steam engine needs a specific type of oil to operate smoothly.
   蒸汽引擎需要特定类型的油来顺畅运行。
2. 2.The engineer replaced the old oil with fresh steam cylinder oil.
   工程师用新鲜的蒸汽缸油替换了旧油。
3. 3. The new model car uses a different type of oil than the old one, which is more environmentally friendly.
   新款汽车使用的是一种比旧款更环保的油。