名词
中文翻译：细长管状物
同义词：
['pipe', 'tube', 'cane']
例句：
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1.The mandrel bar was used to guide the fish through the water.
细长管状物用来引导鱼穿过水。
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2.The mandrel bar was used to measure the length of the pipe.
细长管状物用来测量管子的长度。
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3. The mandrel bar was used to create the shape of the canoe.
细长管状物用来创造独木舟的形状。