crossed roller bearing

例句：

1. 1.The new machine has a cross-roller bearing that makes it run smoothly.
   这台新机器有一个交叉滚子轴承，使它运行顺畅。
2. 2. The engineer replaced the old cross-roller bearing with a new one to improve efficiency.
   工程师用一个新的交叉滚子轴承替换了旧的，以提高效率。
3. 3. The technician carefully inspected the cross-roller bearing before installing it on the machine.
   技术员在安装机器上的交叉滚子轴承之前仔细检查了它。