As Bashan raw jade stone impurities, structure, thick, head difference, and making decorations, it must be handled manually.
由于巴山玉原石杂质多、结构粗、水头差，要做成装饰品，就必须经过人工处理。
As Bashan raw jade stone impurities, structure, thick, head difference, and making decorations, it must be handled manually.
由于巴山玉原石杂质多、结构粗、水头差，要做成装饰品，就必须经过人工处理。
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