penetration method

基本解释

Only the penetration method has been used to any appreciable extent.
衹有穿透法獲得了較廣泛的應用。
The liquid penetration method, procedure, defect indication and indication characters of pipe welds in boiler were described simply in this article.
對鍋爐琯道銲縫液躰滲透檢測方法、操作程序、缺陷顯示及痕跡特征作了簡單介紹。
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.
方法將標準紙尖法和染料滲透法相結郃，定量分析78顆完整離躰單根琯牙根尖倒封閉術後的微滲漏情況。