为啥不用碳纤板做呢？铝的氧化着色后也可以，铜的重量大了。看刀痕，干活的机器还行。
https://app.rcfans.com/public/emotion/face_004.pnghttps://app.rcfans.com/public/emotion/face_004.pnghttps://app.rcfans.com/public/emotion/face_004.pnghttps://app.rcfans.com/public/emotion/face_004.png配重
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