Leading products are: mine hoist hydraulic station, hydraulic station, hoist, braking systems, brake spring .
主导产品有：矿山提升机液压站，液压站，提升机，制动系统，弹簧闸。
The framework with break-brake limit device, close brake buffer, break-brake spring and six support insulator.
框架上装有分闸限位器，合闸缓冲，分闸弹簧及6只支持绝缘子。
Reliability design theory with variety of failure mode is put forth to design gun brake spring concerning the fact that there are often defects in gun brake springs.
针对某火炮刹车弹簧经常出现废品的问题，提出了考虑多种失效相关模式的可靠性设计理论，推导了计算模型，并对此进行设计计算。
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