采煤工作面有几种通风方式?各有什么特点和优缺点?
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/17 11:43:55
![采煤工作面有几种通风方式?各有什么特点和优缺点?](/uploads/image/z/7954510-22-0.jpg?t=%E9%87%87%E7%85%A4%E5%B7%A5%E4%BD%9C%E9%9D%A2%E6%9C%89%E5%87%A0%E7%A7%8D%E9%80%9A%E9%A3%8E%E6%96%B9%E5%BC%8F%3F%E5%90%84%E6%9C%89%E4%BB%80%E4%B9%88%E7%89%B9%E7%82%B9%E5%92%8C%E4%BC%98%E7%BC%BA%E7%82%B9%3F)
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