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鍋爐用無縫鋼管GB/T5310-2017/無錫大口徑鋼管耐高溫規格
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28×3-3.5-4-5-6
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114×4.5-5-6-7-8-10-12-14-18-20
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325×8-12-14-18-38
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32×3.5-4-5-6-8
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121×4.5-5-6-7-8-10-12-14-16-20
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325×28-32-34-38
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34×4-5-6-8
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127×4.5-5-6-7-8-10-12-14-16-20
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351×10-16-20-25-40
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36×3.5-5-6-8
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133×4.5-6-8-12-14-16-18-20-25-30
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355×6-18-20-25-30-40
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38×4-5-6-7-8-9-10
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140×5-6-7-8-9-10-12-14-16-20-22
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377×8-12-15-20-24-28
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39×3.5-5-8-10
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146×4.5-6-8-12-14-16-18-20-25-30
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377×30-37-40
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42×3.5-4-5-6-7-8-9-10
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152×4.5-6-8-12-14-16-18-20-25-30
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402×10-15-20-25-30-35
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