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旧 Jul 10th, 2012, 09:20     #7
walkway
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默认

自制无电源、无马达气泵:
昨天刚做的,利用过滤器的水流自动打气,原电气泵可以暂时不用了。

https://lh4.googleusercontent.com/-hS9melkjA5k/T_wreMHTOZI/AAAAAAAABbI/_-QrtwSAz2k/s512/IMG_20120710_081951.jpg
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感谢 walkway
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moccafirst (Jul 17th, 2012)