If user combines the two in actual operating process, frequency of mechanical rapping can be reduced and the impact on heating surface welded junction of mechanical rapping position can be relieved.
如用户在实际运行过程中两者结合使用，可减少机械振打的频率，减轻对机械振打部位的受热面焊口的冲击。
Finally, it is applied in the mechanical manufacruring process design domain with actual condition, and its result turns to be satisfied.
最后，结合实际将其应用在机械工艺过程设计的领域，取得结果比较令人满意。
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