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辙叉跟端
| 鱼尾板
| 辙叉跟端 | |
| railw. | heel end of frog; frog heel |
| 鱼尾板 | |
| met. | angle splice bar; continuous rail joints; fish plate; fish plate bar; fish tail plate; joint bar |
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| heel end of frog; frog heel | |||
| frog toe; toe end of frog | |||
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辙叉跟端 : 2 phrases in 1 subject |
| Technology | 2 |
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