Explanation of how the biogas system works

journal > 2014 > visit NTU Experimental Farm 臺大農業試驗場 > Explanation of how the biogas system works

visit NTU Experimental Farm 臺大農業試驗場 DSC_4361
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Explanation of how the biogas system works

cow
Camera/lens: NIKON D7000, 17-50mm f/2.8
Aperture: 5.0, Shutter speed: 1/100, Focal length: 29.0 mm, ISO: 200, Bias: 0
Date/Time: 2014:12:08 08:54:29
Average color: gray57
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