ultrasonic spot welder
基本释义
超声波点焊机
实用场景例句
日常对话
She bought a handbag on sale at the trolly stand near the supermarket.
她在超市附近的购物车摊位上打折购买了一个手提包。
The old trolley broke down, so they had to push it to the checkout manually.
旧购物车坏了，所以他们不得不手动将其推到收银台。
Many shoppers prefer using trolly bags for their convenience and reusability.
许多购物者更喜欢使用购物车袋，因为它们方便且可重复使用。
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