wear-resistant seal material
wear-resistant seal material
耐磨密封材料
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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In the design of balanced seal, the barrel type seal has adopted a new-type material of wear resistant corundum to enable no failure for many years.
在平衡密封设计中，筒式釉封采用了新型耐磨金刚砂材料，具有常年无故障性能。
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