同时，卡块的楔形设计能起到自锁的作用，使动静触头能够稳定接触。

Meanwhile, the wedge-shaped design of the fixture block can play the role of self-locking, and thus causing the moving and static contacts to be steadily contacted.

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这一特别的医疗检查过程显示，她的肺里卡着一块鸡骨头。

This special medical procedure revealed she had a chicken bone stuck in her lung.

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一名22岁的中国女子患有长期咳嗽，当她得知自己的肺里卡着一块鸡骨头时，她感到非常震惊。

A 22-year-old Chinese woman who suffered from a persistent cough was shocked to learn that she had a piece of chicken bone lodged in her lung.

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