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Эффективность работы естественной вентиляции курятника в зимний период.
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17 Views·
03/04/20
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Agriculture / Poultry
Система естественной вентиляции курятника с чертежом.
https://www.youtube.com/watch?v=VxSxzfyLN9Y&feature=youtu.be
Жизненно важная инженерная конструкция для курятника.
https://www.youtube.com/watch?v=LttCU80B_R0&t=10s
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12 Views · 11/01/20
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