名词
中文翻译：圆锥形扩张器
同义词：
['conical', 'cone-shaped expander例句：1. The conical expander is designed to expand the space around it.（圆锥形扩张器被设计用来扩张它周围的空间。）2. The conical expander was used to create a larger opening in the wall.（圆锥形扩张器被用来在墙上创造一个更大的开口。）']
例句：
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1. The conical expander is designed to expand the space around it.
圆锥形扩张器被设计用来扩张它周围的空间。
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2. The conical expander was used to create a larger opening in the wall.
圆锥形扩张器被用来在墙上创造一个更大的开口。
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3. The conical expander was used to fill in the gaps left by the old pipes.
圆锥形扩张器被用来填补旧管道留下的空隙。