steel backed bearing alloy

例句：

1. 1. The newmachine uses a steel-backed bearing alloy that reduces friction and increases efficiency.
   这台新机器使用了一种钢背轴承合金，它减少了摩擦并提高了效率。
2. 2.The engineers developed a steel-backed bearing alloy that can withstand high temperatures and pressures.
   工程师们开发了一种钢背轴承合金，它能够承受高温和高压。
3. 3.The steel-backed bearing alloy is used in the manufacturing of precision machinery parts.
   这种钢背轴承合金被用于制造精密机械部件。