The invention can be used to produce spunbonded terylen thick needlepunching non-woven cloths. 本发明用于纺粘涤纶厚型针刺非织造布。
In the thick wall type, if intima is very irregular and focal areas are showed bright echogenicity combining with hematochezia we can diagnose the ulcer type. 在壁增厚型中内膜明显凸凹不平，并见限局性固定强回声，结合患者便血，可诊断溃疡型。
