Concerns about the chemicals in use and poor ventilation.

担忧使用的化学物质和较差的通风。

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The mine is around 90 degrees Fahrenheit with 90 percent humidity and poor ventilation-a perfect environment for fungus.

矿井的温度有华氏90度，湿度有90%，并且通风极差，是真菌生存的极佳场所。

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So it is ideal for dark rooms with poor ventilation.

因此它非常适合通风条件不佳的阴暗房间。

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The FDA also said the plant had a leaky roof, poor ventilation and inadequate pest control.

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Converting bunkers poses challenges: Few windows mean little natural light, poor ventilation and dampness.

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In Cambodia, mass-fainting incidents, in which large groups of workers faint within a short period, have raised concerns about worker malnutrition, excessive heat and poor ventilation of factories.

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