By giving products of assured quality a seal of approval, the system brings uniform quality standards to the market, introduces order, and increases the base of suppliers.

通过对质量有保证的产品盖上审核印章，该系统为市场提供了统一的质量标准，维持了秩序，并增加了供应商数量。

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Sealing performance and operating life of the fracturing pump directly influence quality of the acidizing operation, and bad seal will result in great deal of maintenance work.

压裂泵柱塞密封性能好坏与使用寿命的长短直接影响压裂酸化作业的正常实施，密封不良将带来很大的维护工作量。

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Have resolved the leakage problem through improving quality of seal face, adding diameter of O-ring and other measures.

通过提高密封表面的质量、增加O型圈的直径等措施，解决了渗漏问题。

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During the 11-day duration of the 37th International Traditional Crafts Show, held from 22 October to 7 November at the Parque Bicentenario in Santiago de Chile, exhibits included the eight works that have been awarded the Seal of Excellence, a national distinction that seeks to highlight quality in handicrafts, based on the criteria of excellence, authenticity, innovation, respect for the environment, and market potential.

UNESCO: MEDIA SERVICES