名词
中文翻译：绕线管
同义词：
['mandrel', 'core', 'coil']
例句：
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1.The coiler mandrel is used to wrap the wire around the core.
绕线管用于将电线绕在芯上。
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2.The mandrel was made of brass and had a diameter of about three centimeters.
芯由黄铜制成，直径约为三厘米。
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3. The coiler mandrel was used to make the wire into a tight spiral shape.
绕线管用于将电线制成紧密的螺旋形状。