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| 71. | scrape abrasion test |
| 擦刮磨损试验 |
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| 72. | equal wear criterion |
| 等磨损准则 |
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| 73. | equal wear theory |
| 等磨损理论 |
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| 74. | impact wear test |
| 冲击磨损试验 |
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| 75. | destructive wear |
| 毁坏性磨损 |
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| 76. | rubber abrasion tester |
| 橡胶磨损测试仪 |
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| 77. | The gears have been worn out. |
| 排档磨损了。 |
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| 78. | The rope was galled. |
| 绳子磨损了。 |
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| 79. | galling of rings |
| 活塞圈磨损 |
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| 80. | save on running-cost |
| 节省磨损费 |
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