名词
中文翻译：扩展板
同义词：
['extension board', 'expansion plate']
例句：
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1.The engineer designed an extension plate to increase the vehicle's load capacity.
工程师设计了一个扩展板来增加车辆的载重能力。
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2.The new model car comes with a built-in extension plate for easy installation of accessories.
新款汽车内置了扩展板，便于安装配件。
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3. The extension plate is used to connect two pieces of metal together, allowing them to move apart or come closer together.
扩展板用于连接两块金属，使它们能够分开或靠近彼此。