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针对树脂砂离心铸铁管粘砂问题，研究出防止粘砂的烧结易剥离型涂料，并对其防粘砂机理进行了分析。
In view of the problem of sticking sand of resin sand centrifugal cast iron pipe, the easily-peelable coating which prevents the sticking sand was researched, and the anti-sticking sand mechanism was analyzed.