短语词组短语primary patency 通畅率graft patency 桥血管通畅性Happy patency 舒乐通administrative patency 行政公开patency degree 通畅度transfusion patency 输液通畅patency test 通畅检查patency rates 通畅率Patency Capsule 探路胶囊 返回 patency