深静脉血栓形成是指腿深静脉中的血凝块形成和血流阻塞。 在长途旅行中乘坐公共汽车，火车或飞机后，可能会发生这种情况。
Deep vein clot formation refers to the clot formation and blood flow obstruction in the deep veins of the legs. This can happen after taking a bus, train or plane on a long journey.
