滾動軸承的早期失效形式，主要有破裂、塑性變形、磨損、腐蝕和疲勞，在正常條件下主要是接觸疲勞。軸承零件的失效除了服役條件之外，主要受鋼的硬度、強度、韌性、耐磨性、抗蝕性和內(nèi)應力狀態(tài)制約。影響這些性能和狀態(tài)的主要內(nèi)在因素有如下幾項。...
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More understanding, more choices, and finding partners to find the best of you. Only with the determination to come to the Beizhou Company is in a desperate attempt can one walk faster and run farther than others.
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1. Explore domestic market and industry information, develop new customers, and achieve customer development goals. 2. Business negotiations. 3. Customer management and sales work, achieving sales targets...
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1. Explore domestic market and industry information, develop new customers, and achieve customer development goals. 2. Business negotiations. 3. Customer management and sales work, achieving sales targets...
March 28, 2023
1. Explore domestic market and industry information, develop new customers, and achieve customer development goals. 2. Business negotiations. 3. Customer management and sales work, achieving sales targets...
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