External constriction valvuloplasty with autogenons veinons piece of great saphenous vein in treatment of deep veinous reflux disease of lower limbs是什么意思_External constriction valvuloplasty with autogenons veinons piece of great saphenous vein in treatment of deep veinous reflux disease of lower limbs在线翻译_英语_读音_用法_例句