闭塞可以指:

  • 与世隔绝,消息不灵通,通信或对外交通不发达。
  • 闭塞 (铁路)铁路信号的术语,指列车占用一个区间后,使用一些手段禁止其他列车驶入该区间,防止列车相撞。
  • 塞音(爆破音、闭塞音):辅音发音方法的一种

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