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。
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.
二是铺装时对胶水的甲醛含量的规定，胶水用的越少甲醛含量越低，而新一代双锁扣地板刚好解决了这一问题。
Second, the survey of the formaldehyde content of the glue, glue the less formaldehyde content in the lower floors and a new generation of double-locking just solved the problem.
应用推荐