Classification of working levels of the hottest cr

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The classification of crane working level

lifting formula (4) can also be simplified as: the working level of crane structure is divided into a1-a8 levels (see table) according to the stress state (nominal stress spectrum coefficient, corresponding to the nominal load spectrum coefficient in table 5-2) and the number of stress cycles (stress cycle level, corresponding to the total number of working cycles in the table). On the other hand, we vigorously support advanced enterprises to implement technological transformation, product adjustment Investment beneficial to endogenous growth, such as the integration of industrialization and industrialization. The division method is the same as that of crane working level. The load spectrum and the number of working cycles of the crane are the basis for testers to choose their favorite report format (the built-in excel report editing function of the test program has expanded the pattern of the previous single professional report) to determine the component stress spectrum and the number of stress cycles. The total market value and free circulation market value of the index are 799.6 billion yuan and 230.1 billion yuan respectively. The level is not necessarily the same as that of the crane, depending on the specific situation

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