名词
中文翻译：管状的
同义词：
['cylindrical', 'tubular', 'cylindrical shape']
例句：
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1. The pipe is made of metal and has a tubular shape.
这个管子是用金属制成的，形状是管状的。
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2. The tube was made from a single piece of glass.
这个管子是由一整块玻璃制成的。
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3. The cylinder is the most common type of pipe.
圆柱形管道是最普通的类型。