“sprocket hole”的概念、定义、翻译、参考文献-科学参考

单词	sprocket hole
释义	sprocket hole [`spräk·ǝt ´hōl] ^ENGINEERING One of a series of perforations at the edge of a motion picture film, paper tape, or roll of continuous stationery, which are engaged by the teeth of a sprocket wheel to drive the material through some device.
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