·2,447,543篇论文数据，部分数据来源于NoteExpress
In the utility model, the hook lock sheet is arranged independently, durable and can be replaced; and the knife body and the sheath are connected so tightly that can not be detached.
本实用新型钩锁片单独设立，耐用并可更换，刀体和刀鞘连接紧密不脱分。
youdao
应用推荐
模块上移
模块下移
不移动