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| 1. | Erosion of pipes and vessels from abrasion by particles can be serious. |
| 由于固体颗粒的磨蚀作用，管子和容器的磨损严重。 |
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| 2. | the passage, lift entrance and heavy-vehicle lane which may suffer from strong impact and continuous abrasion |
| 特别是需要叉车、车等较大型运载工具的碾压及剧烈冲击和连续磨损的走道、梯口，载重车走道。 |
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