Poultry house cleaning equipment and vehicles usually have accumulations of litter and feces.

鸡舍的清洁设备和运输工具通常都会有垫料和粪便的积垢。

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Poultry house cleaning equipment and vehicles usually have accumulations of litter and feces.

鸡舍的清洁设备和运输工具通常都会有垫料和粪便的积垢。

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