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Main uses of square tube: square tube is mainly used in tap water engineering, petrochemical industr...
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High tech: material renewal, pay more attention to ecological cycle.Pragmatic in Europe and America:...
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After meeting the basic requirements of product protection and circulation, the of packaging is ref...
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SudburyConstruction power transformer,For the installation of lightning rod, it is very easy to dama...
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The clock expression is used to indicate the phase difference correlation of the working voltage of...
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The input and output three-phase power lines shall be connected to phase a, phase B and phase C resp...
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The continuous casting of stainless steel pipe fittings is generally matched with the refining furna...
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Improve the sense of hierarchy, reliability and cost performance of the floor. Why don&#;t the c...
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I-beam features: the content of chromium carbon alloy is -% the hardness of chromium carbide alloy i...
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Where do you need to build the refrigerator, the size of the refrigerator or the storage capacity (s...