The rapid analysis method of welding quality, acid washingtest, for the longitudinally high frequency welded pipe is introduced.
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。
2
An environmental consultancy commissioned by Xeros to test its system reckoned that its carbon footprint was 40% smaller than the most efficient existing systems for washing and drying laundry.
克赛罗斯公司委任的测试系统的环保顾问估计他们的系统使用碳的量比现在最先进的洗衣和烘衣系统少40%。
3
Finally, only consciousness, washing and test of life can withstand years of the original ordinary.