英语词汇platform trap door bumper是什么意思，platform trap door bumper的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典

单词	platform trap door bumper
释义	platform trap door bumper　 (客车)翻板缓冲档
随便看	important person important person important point important points important points important role important-looking important-sounding importantly importantly importantly importation importation importation importation importation certificate importcollateral imported imported imported imported car imported disease imported goods imported goods imported goods

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