铝体模来源：美国LUNAR公司生产的DPX - MD双能X射线骨密度仪所配备的自检模块。
Source of aluminum model: self-check die-block equipped by DPX-MD dual-energy X-ray bone densometer produced by American LUNAR Company.
铝体模来源：美国LUNAR公司生产的DPX - MD双能X射线骨密度仪所配备的自检模块。
Source of aluminum model: self-check die-block equipped by DPX-MD dual-energy X-ray bone densometer produced by American LUNAR Company.
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