名词
中文翻译：缩口棒
同义词：
['tapered rod', 'tapered pipe例句：1. The engineer used a tapered rod to make the machine run more smoothly.（工程师使用一根缩口棒使机器运行得更加顺畅。）']
例句：
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1. The engineer used a tapered rod to make the machine run more smoothly.
工程师使用一根缩口棒使机器运行得更加顺畅。
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2. The taper of the pipe is important for the water pressure.
管道的缩口对于水压很重要。
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3.The tapered rod was used to adjust the angle of the saw blade.
用缩口棒调整锯片的角度。