基本解释[医药科学]下肢动脉造影英汉例句双语例句Parpose:To study the clinical application of arteriography for lower extremity with CO_2.目的：探讨二氧化碳作下肢动脉造影的临床应用价值。lower extremity arteriography更多例句专业释义医药科学下肢动脉造影