This article has discussed the causes of existing several common external defects in terra - cotta of casting, and produced some efficient methods to eliminate such defects.

讨论了注浆成型红陶器坯体表面缺陷的产生原因，提出了克服缺陷的常用方法。

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The pursuit of quality, of course have to pay the cost, quality, costs generally include the cost of prevention, testing costs, the cost of internal defects and external defects cost.

追求质量当然要付出成本的，质量成本一般包括预防成本、检验成本、内部缺陷成本和外部缺陷成本。

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It's best to start with external metrics, such as "reduce support calls by 20%" or "halve the percentage of defects injected by development."

最好从外部性的制度开始，例如“将支持访问降低 20%”或者“使开发引入的缺陷百分比减半”。

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