penetration method

基本解释

Only the penetration method has been used to any appreciable extent.
只有穿透法获得了较广泛的应用。
The liquid penetration method, procedure, defect indication and indication characters of pipe welds in boiler were described simply in this article.
对锅炉管道焊缝液体渗透检测方法、操作程序、缺陷显示及痕迹特征作了简单介绍。
Methods The Paper Point Method and Dye Penetration Method were used to analyze the microleakage quantitatively of 78 extracted teeth inserted with retrograde filling materials.
方法将标准纸尖法和染料渗透法相结合，定量分析78颗完整离体单根管牙根尖倒封闭术后的微渗漏情况。