tunnel bearing grease

例句：

1. 1.The tunnel was filled with a thick layer of tunnel bearing grease.
   隧道里充满了厚厚的一层隧道轴承油。
2. 2. The engineer had to replace the old tunnel bearing grease with new ones.
   工程师不得不用新的隧道轴承油来替换旧的。
3. 3.The maintenance crew used tunnel bearing grease to lubricate the moving parts of the machine.
   维护团队使用隧道轴承油来润滑机器的移动部件。