阻塞队列中的实际案例需要使用阻塞队列么？使用普通的队列不可以么

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### 你使用的是哪个版本

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The issue names no file, test, or entry point and provides no version, expected result, actual result, or reproduction steps. Start by locating the blocking-queue example referenced in the title and compare its stated purpose with a normal queue; done would require a maintainer-confirmed clarification or a concrete documentation change.

Written by the indexing model from the issue text.