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Terms for subject Rail transport containing trap door | all forms | exact matches only | in specified order only
| English | Chinese |
| extensible trap door | 可延长的翻板 |
| platform trap door | 翻板 |
| trap door | 翻板 |
| trap door air cylinder | 翻板汽缸 |
| trap door catches | 翻板开卡 |
| trap door retainer | 翻板固定器 |