“photoelectric door opener”的概念、定义、翻译、参考文献-科学参考

单词	photoelectric door opener
释义	photoelectric door opener [¦fōd·ō·i`lek·trik `dȯr ´ōp·ǝ·nǝr] ^{CONTROL SYSTEMS} A control system that employs a photocell or other photo device, used to open and close a power-operated door.
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