titanium anodize !
126V的效果!https://fbcdn-sphotos-d-a.akamaihd.net/hphotos-ak-prn2/970953_517665408303370_881223594_n.jpg 自己盐水通电做的? 和烧灼比哪种更耐用 我覺得电容易些
https://fbcdn-sphotos-g-a.akamaihd.net/hphotos-ak-prn1/559245_10152181379672589_1491187682_n.jpg
钛地钉阳极氧化层DIY?
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