The main task of the system is to assess assembled vats, pressure vessels and rotation components by using COD and J-integral theory, and to assess large casting and forging components by FATT theory.
它的主要任务是对组合气缸、压力容器、旋转构件进行COD理论和J积分理论的评定，以及对大型铸锻构件进行断口形貌转变温度FATT的评定。
The large anticorrosion flange can be divided into pushing, pressing, forging, casting and so on.
大型防腐法兰以制作方法划分可分为推制、压制、锻制、铸造等。
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.
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。
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