The invention has the advantages of a double locking structure by use of the plug, the jack and the movable button, high safety and simple structure and is not easy to be lost.
本发明的有益效果在于：采用插头与插孔和活动扣的双重扣紧结构，安全性高，结构简单，不易丢失。
This paper introduces the application of double locking clippers for a closed forging die to solving the problems Such as getting stuck and fatigue fissure caused by a gear forging die.
针对齿轮锻模极易发生卡模和断裂失效的情况，提出对闭式锻模采用双锁扣的结构方案。
Traditional style brass bodied padlock with a hardened stainless steel shackle and a double locking mechanism.
尚尤为您提供的该款挂锁厚型设计，更结实耐用。锁身黄铜，锁环是不锈钢材质。
Traditional style brass bodied padlock with a hardened stainless steel shackle and a double locking mechanism.
尚尤为您提供的该款挂锁厚型设计，更结实耐用。锁身黄铜，锁环是不锈钢材质。
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