“varicose veins of the lower extremities”的概念、定义、翻译、参考文献-科学参考

单词	varicose veins of the lower extremities
释义	varicose veins of the lower extremities Encyclopedia 工学下肢静脉曲张（见原发性下肢静脉曲张）释 varicose veins of the lower extremities下肢静脉曲张由于缺乏肌肉收缩，下肢静脉血液因回流不畅而充血，逐渐引起静脉瓣开锁不全、静脉淤血、静脉壁营养障碍与扩张。
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科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。