The paper evaluates the reasonness of airy system by making use of the theory of foggy mathematics and by using multiple indexes.

利用模糊数学理论，采用多个指标全面衡量通风系统的合理性。

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And when the workshops are light and clean and airy, when the tool storage system is well planned and when the right equipment is always handy then it′s easier to do the job well.

当维修站拥有明亮、干净、通风良好的工作环境，当工具储存系统井井有条，当所需设备始终方便易用时，工作人员将更容易做好工作。

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And when the workshops are light and clean and airy, when the tool storage system is well planned and when the right equipment is always handy then it′s easier to do the job well.

当维修站拥有明亮、干净、通风良好的工作环境，当工具储存系统井井有条，当所需设备始终方便易用时，工作人员将更容易做好工作。

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