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名称 ：真空缓冲罐 型号：

this is the definition of that term, which both live in a dl.

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And it gets a definition too, which is this line

This is a 2^nd definition for a single term. A dt may be followed by multiple dds.

名称
：DX37PM单级永磁变频空压机 型号：

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this is the definition of that term, which both live in a dl.

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And it gets a definition too, which is this line

this is a 2^nd definition for a single term.

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dt terms may stand on their own without an accompanying dd, but in that case they share descriptions with the next available dt. You may not have a dd without a parent dt.

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this is the definition of that term, which both live in a dl.

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And it gets a definition too, which is this line

this is a 2^nd definition for a single term.

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dt terms may stand on their own without an accompanying dd, but in that case they share descriptions with the next available dt. You may not have a dd without a parent dt.