名词短语
中文翻译：外径与内径的匹配直径
同义词：
['outside-inside diameter', 'inside-outside diameter']
例句：
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1. The machine's outside-inside mating diameter is 30mm.
这台机器的外径与内径的匹配直径是30毫米。
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2. The new design of the car has a larger inside-outside mating diameter.
这款汽车的新设计具有更大的内外匹配直径。
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3. The engineer measured the outside-inside mating diameter of the gear to ensure it would fit properly.
工程师测量了齿轮的外径与内径匹配直径，以确保它能够正确安装。