Cast iron pipe for water supply industry, the market share of around 45 %.

铸铁管主要用于供水行业, 市场占有率45%左右.

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The centrifugal ductile cast iron pipe in accordance with ISO 2531 91 demands was produced.

通过试验得出了最佳退火工艺,获得了符合国际标准ISO2531-91要求的离心铸造球铁管.

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The annealing process of centrifugal ductile cast iron pipe by the heated mould method is studied.

研究了热模法离心铸造球铁管的退火工艺.

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