Large and medium diaphragm and measuring contact, jam, easy cleaning, further play a ceramic sensors, corrosion resistance and good technical characteristics of economic advantages.

且测量膜片与介质大面积接触，不易堵塞，便于清洗，进一步发挥了陶瓷传感器抗腐蚀性能好的技术特点和较经济的优势。

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Through analyzing the scale situation and mechanism, and carrying out the cleaning test and study of once- through boilers superheater, the special cleaning medium system of superheater was developed.

通过对过热器结垢状况、机理分析及清洗试验研究，研制出过热器专用清洗介质体系，具有除垢速度快、溶垢性强、防剥离性好、无毒等优点。

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This paper analyzes safety and environmental hazards of traditional tubing cleaning, and introduces tubing cleaning process of high pressure with medium frequency and its effect.

分析了传统油管清洗工艺存在的安全环保隐患；介绍了中频高压清洗油管工艺流程及采用中频高压清洗油管工艺后的效果。

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