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	mixer-first detector mixer-settler mixer-settler extractor mixer-settlers mixers mixers mixers mixes mixes mixflow type GM-blower mixi Mixidene miximising mixing mixing mixing mixing mixing agitator mixing aid mixing amplifier mixing and grinding machine mixing and reaction chamber mixing apparatus mixing apron mixing arm

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