bentonite grease

例句：

1. 1.The engine was running smoothly with the addition of this bentonite grease.
   在加入这种膨润土润滑剂后，发动机运行得更加顺畅。
2. 2. Bentonite grease is a popular choice for lubricating machinery.
   膨润土润滑剂是机械润滑的热门选择。
3. 3. This bentonite grease has been tested and proven to be effective in reducing friction.
   这种膨润土润滑剂经过测试，已被证明能有效减少摩擦。