... 耐磨水平怎么样 What is its resistance to wear and tear. 耐磨垫圈 wear washer 耐温水平：temperature resistance ...
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thrust washer wear 止推垫圈磨损
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Sealing washer in a injection molding machine losed its function because of wear.
注塑机过胶圈在使用中因磨损失去密封性而失效。
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