本发明涉及一种板弹簧盒组件，包括内压环、外压环、内垫环、 外垫环、板弹簧以及螺钉；
The present invention relates to a plate spring box component which includes a inner pressure ring, a external pressure ring, a inner mantle ring, a outer mantle ring, a plate spring and screws;
本厂将一如既往努力研制开发各种新型卷闸门五金配件、弹簧盒，满足客户的要求及市场的需求。
Factory will continue its efforts to research and development of new types of Rolling Gate Hardware. To meet customer requirements and market needs.
膜盒是一种密封的弹簧绉纹管，可以感受大气压力的变化。
An aneroid is a sealed bellows which is sensitive to changes in atmospheric pressures.
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