哈夫节主要规格：
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DN100x250
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DN250 x1000
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DN100 x500
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DN300 x250
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DN150 x250
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DN300 x500
|
|
DN150 x500
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DN300 x1000
|
|
DN150 x1000
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DN400 x500
|
|
DN200 x250
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DN400 x1000
|
|
DN200 x500
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DN500 x500
|
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DN200 x1000
|
DN500 x1000
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|
DN250 x250
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DN600 x500
|
|
DN250 x500
|
DN600 x1000
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