Wear metal的用法和样例:
例句
- Repair worn parts of metal products by welding on extra layers.
焊接额外层以修复磨损金属制品的零部件。
- Because all the gears are enclosed within the hub, road grit can't get inside to abrade the metal parts.
因为所有的齿轮都套在轮毂内,路面上的砂石不会跑进齿轮之间磨损金属部件。
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