Because of human factors and the impact of outside interference, the traditional test of the quality is low-speed, low efficiency, high rate of missing inspection.

由于存在人为因素和外界干扰的影响，传统的人工质量检测存在速度低、效率低、漏检率高等问题。

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The application of PLC in the automatic ultrasonic inspection of LSAW can greatly improve the accuracy and efficiency of inspection, and is helpful for raising the welding quality and productivity.

将可编程序控制器(PLC)应用于LSAW自动超声检测系统，可极大地改善焊管检测效率和可靠性，有益于提高焊缝质量和生产效率。

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The formulation principle, quality inspection, production process, equipment, application efficiency and so on of the fertilizer are described and discussed in this paper.

本文对该项技术成果的配方原理、质量检测、工艺流程及装备、施用效果等方面作了专题论述及技术探讨。

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