根据飞机维护手册中对碱性电瓶释压阀压力的测试要求，研制成功了一台专用释压阀压力测试仪。
According to the requirements of aircraft maintenance manual related to alkaline valve test, a specified alkaline battery relief valve pressure test equipment has been developed in this paper.
免维护电瓶，维护简便。
电瓶箱大，方便电瓶的使用维护与保养。
A large battery compartment for easy battery use and maintenance.
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