The main reason of the main beam down deflection was that the most complex stress exceeded the admissible value and achieved the yield limit value.

 
  • 主梁下?lián)献冃蔚闹饕蚴鞘軣嵋鸬淖畲髲秃蠎Τ^(guò)許用值,達到了屈服極限值,強度不滿(mǎn)足要求。
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