[KongchangAI]
Unverified70% confidenceFactTime unknown

难度分级通常按螺丝孔位对齐精度和造型复杂度划分:入门为直插式无需对准螺纹、进阶需对齐孔位旋入、高阶需按图组装多部件立体造型

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70%
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Long-term
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