The relay box has long been checked by manual work.
飞机继电器盒长期以来一直采用人工方法进行检测,其检测精度和效率已不能满足现代飞机的使用要求。
Two screws and the busbar connected with them in a relay box ruptured during vibration testing.
在振动试验中继电器盒上的两个螺钉及与之相连的汇流条发生断裂。
This text introduces of usual construction and usage condition of metal electric appliances bottom box,and detailedly analyzed its type craft.
本文分析了金属电器底盒的基本结构及使用状况,提出了其成型工艺方法。
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