step analysis method principle
step analysis method principle
步骤分析法原理
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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This article introduces the reason of the oil well scaling, the principle of the chemical cleaning and protection, two step treatment program and method, analysis of the treatment efficient.
本文简要介绍了油田油井结垢的成因、化学清洗及防治的机理、两步法施工工艺方法、施工效果分析。
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