Automatic reset spring door is equipped with magnetic attraction door cabinet , convenient for storing goods;
自动复位弹簧门特设磁吸门封，存取物品方便自如；
In the paper a new method of using disc shaped spring in the multi way valve as reset spring is introduced, and the design model for characteristic optimization of reset spring is created.
本文提出了采用碟形弹簧，作为多路阀复位弹簧的新方法，建立了这种复位弹簧的特性方程及优化设计模型。
The invention also includes the lock-in device with the bound piece and the reset spring, which ensures the right press of the contact, improves the capacity of connecting and breaking.
所述的自动转换开关还设有包括一个限止件和一个复位弹簧的锁定装 置，有效的保证了触头的压力，使接通与分断能力有了较大的提高。
The invention also includes the lock-in device with the bound piece and the reset spring, which ensures the right press of the contact, improves the capacity of connecting and breaking.
所述的自动转换开关还设有包括一个限止件和一个复位弹簧的锁定装 置，有效的保证了触头的压力，使接通与分断能力有了较大的提高。
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