短语词组短语ring -binder 活页簿4 -Ring Data Binder 孔活页计算机夹three -ring binder 三孔档案夹Insert Ring Binder 面脊插页活页夹D ring binder 装订机Ring Binder Designed 活页设计a ring binder 活页夹in ring binder 用带环的资料夹 返回 ring binder