“hand-held scanner”的概念、定义、翻译、参考文献-科学参考

单词	hand-held scanner
释义	hand-held scanner [¦hand ´held `skan·ǝr] ^ENGINEERING An image-reading device that is held and operated by a person.
随便看	headphone head process head pulley head-pulley-drive conveyor headroom headrope heads head scanning head section headset head shaft head sheave head shield headsill head smut headspace head stepping rate headstock head tide headtree head up head-up display head value headwall headward erosion

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