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2ú?·Dío??o PZ973H
2ú?·?ú???o DN50-1200
2ú?·?1á|?o 0.6~10.0Mpa
2ú?·2??ê?o ?y????2?Da????o??e???è
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1¤×÷???è
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êêó??é?ê
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1.0
1.6
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1.5
2.4
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1.1
1.8
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≤100??
≤100??
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2?Da??
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