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| 41. | rust preventing wrapping |
| 防锈包裹层 |
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| 42. | Rust attacks metal. |
| 锈能侵蚀金属。 |
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| 43. | Rest breed rust. |
| 不活动，必生锈。 |
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| 44. | rust resisting compound |
| 防腐蚀剂 |
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| 45. | splotches of rust |
| 锈斑 |
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| 46. | rust inhibiting lubricant |
| 防锈润滑剂 |
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| 47. | Rub off rust |
| 把锈擦掉 |
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| 48. | rust removing preparation |
| 除锈制剂 |
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| 49. | resistant to rust |
| 不生锈的 |
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| 50. | rust-proof life |
| 防锈期 |
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