名词
中文翻译：圆锥形的管状结构
同义词：
['pipe', 'tube', 'conduit例句：1. The cone governor is used to regulate the flow of oil in the engine.（圆锥形的管状结构用来调节发动机中油的流量。）']
例句：
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1. The cone governor is used to regulate the flow of oil in the engine.
圆锥形的管状结构用来调节发动机中油的流量。
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2. The pipe is made of steel and is used to carry wastewater from the factory.
这个管道由钢制成，用来输送工厂的废水。
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3.The conduit is a narrow passageway that carries gas or liquid through a solid material.
导管是一条狭窄的通道，用来通过固体物质输送气体或液体。