大型液压机的横梁由于铸造、加工、运输等原因,大多设计成组合结构,采用预紧螺栓组连接。
For the convenience of casting, machining, transporting, etc, the beam of large-scale hydraulic forging press has always been designed as combined structure and connected with pre-stress bolts.
结果表明,药柱结构的不合理性是导致低温贮存条件下组合药柱发生结构完整性破坏的主要原因。
The results show that structural irrationality of mixed grain is the main reason for structural integrity failure under low temperature environment.
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