“tray elevator”的概念、定义、翻译、参考文献-科学参考

单词	tray elevator
释义	tray elevator [`trā ´el·ǝ´vād·ǝr] ^{MECHANICAL ENGINEERING} A device for lifting drums, barrels, or boxes; a parallel pair of vertical-mounted continuous chains turn over upper and lower drive gears, and spaced trays on the chains cradle and lift the objects to be moved.
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