介绍了一种快速分析高频直缝焊管焊接质量的方法——酸洗试验。
The rapid analysis method of welding quality, acid washing test, for the longitudinally high frequency welded pipe is introduced.
本试验研究为皂素酸洗废水的彻底治理奠定了试验基础。
This experiment founded the testing basis for the thoroughly disposal of the acidic dioscorea wastewater.
实验室和工业试验表明，硅钢酸洗工艺使用这种促进剂可收到显著的效果。
The results of laboratory and industrial experiments indicate that have been achieved in the use of the accelerant for the pickling process in the Silicon Steel Sheet Mill.
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