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HELLOCQ
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材料:铝管2.4米一根,4平方独股铜线20米,pc管一根。
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您说您用了20米的铜线,但是您的图却标注为7米7,这是怎么理解??此外我想知道地线是怎么连的,谢谢
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图片:IMG_0004.jpg