通过对滚动轴承故障诊断的实例分析，验证了包络谱分析运用于诊断设备零件损伤故障所取得的效果。
This effect of envelope spectrum analysis applied to fault diagnosis of equipment parts damage is verified by the example of rolling bearing fault diagnosis.
对损伤、故障、检验和修理工艺流程图等问题进行了分析讨论。
Some issues at items such as damage, failure, inspection and repairing technology flow diagram are discussed.
板和梁是冶金桥式起重机金属结构的基本组成单元，而这些金属结构的损伤多以板、梁的疲劳裂纹表现其故障形式。
Plate and beam is the element of over head traveling crane. Crack damage of plates and beams is the main fault forms of structure.
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