It is the first time that the heat pipe heat-exchangers are applied in the recovery of waste heat in closed-poultry housing in winter.
首次将热管换热器用于回收密闭式畜禽舍冬季换气中的余热。
The harmful gas is the first element of environmental control in poultry housing. It has a decisive significance in poultry housing for the environmental control.
畜禽舍的有害气体是畜禽舍环境控制的第一要素，它的控制效果对于畜禽舍的环境控制有决定性的意义。
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