Wear metal的用法和樣例:
例句
- Repair worn parts of metal products by welding on extra layers.
焊接額外層以修復磨損金屬製品的零部件。
- Because all the gears are enclosed within the hub, road grit can't get inside to abrade the metal parts.
因為所有的齒輪都套在輪轂內,路面上的砂石不會跑進齒輪之間磨損金屬部件。
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