Wearing a pair of the stockings, pressure from these forces the blood into deeper veins that have healthier walls and valves.
穿上这种袜子，可以给腿部以压力，迫使血液流入深部静脉，深部静脉壁和静脉瓣都是正常的。
Wearing a pair of the stockings, pressure from these forces the blood into deeper veins that have healthier walls and valves.
穿上这种袜子，可以给腿部以压力，迫使血液流入深部静脉，深部静脉壁和静脉瓣都是正常的。
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