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在农业科研中常使用恒温箱。现介绍一种恒温箱中常用的温度自动控制线路(见图),供自制恒温箱或检修恒温箱时参考。
In agricultural research often use incubators. Now introduce a temperature control box commonly used in the automatic control circuit (see photo), for home-made incubator or overhaul incubator reference.