PHPWIND
HELLOCQ
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镀锌管子,成本低点, 要是用无缝管做,再去热镀锌,就贵了很多(按体积收费了,不按重量了)。
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楼上7pnv,做好设计(方便组装快递),控制成本,最好有配套旋转器(最好是12伏的,不会触电),还有两个轴承,一次搞定,装上就可用。diy花时间又费钱。
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太太太太太太太太太太太太……唉……太诱人了!!!
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