名词中文翻译
中文翻译：口径编号
同义词：
['bore', 'gauge', 'size']
例句：
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1.The gun has a caliber number of 20 on it.
这把枪的口径编号是20。
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2. The engineer measured the bore of the pipe to ensure it was accurate.
工程师测量了管道的内径以确保其准确无误。
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3. The new machine has a larger size than its predecessor.
这款新机器比它的前一代大。