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1.The arterio-angiography apparatus is used to visualize the blood vessels in the body during angiography.
动脉造影仪用于在血管造影术中可视化身体中的血管。
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2. The doctors used the arterio-angiography apparatus to examine the patient's heart.
医生们使用动脉造影仪来检查病人的心脏。
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3. The arterio-angiography apparatus helped us understand the structure of the human heart better.
动脉造影仪帮助我们更好地理解了人类心脏的结构。