单向导管 meaning in English
uniguide
Examples
- The deep veins of the lower legs are situated in the muscles of the calf , and when compressed by muscular contraction , the non - return valves cause a pumping effect the muscle pump aiding the return of blood
小腿深处的静脉位于肌肉处，当肌肉收缩时，会对单向导管产生类似泵的作用肌肉泵作用，从而使血液流回心脏。