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swpt_jSP7Fi4Z  
#1 Posted : Sunday, September 20, 2020 7:22:39 PM(UTC)
swpt_jSP7Fi4Z

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Joined: 9/19/2020(UTC)
Posts: 20

Make use of the cooling pad system, water evaporation endothermic principle, vacuum ventilation principle, to improve plant exhaust gas, pollution gas and hot temperature. https://www.laixinplastic.com/pl...ad-for-poultry-farm.html
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