When the greenhouse temperature deviation over the upper limit set, the issue of regulation of computer instructions, the executing agency to open the ventilation cooling system;
当温室内的温度超过设定偏差上限，计算机发出调节指令，执行机构打开通风降温系统；
When the greenhouse temperature deviation over the upper limit set, the issue of regulation of computer instructions, the executing agency to open the ventilation cooling system;
当温室内的温度超过设定偏差上限，计算机发出调节指令，执行机构打开通风降温系统；
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