The author introduces a pipe defect locating method by contact type ultrasonic detection — finger oil dipping touching method and analyses the theoretical basis of defect locating by this method.

介绍了钢管接触法超声波探伤缺陷定位方法——手指蘸油触摸法，分析了利用此种方法进行缺陷定位的理论依据。

youdao

He financed it by dipping into the fund established to manage the country's income from its gas and oil.

为了筹措资金，他积极研究国家的天然气和石油收入。

youdao

At Delaplane, the wine is tasty and the amenities don't stop at the views: The homemade sausage is excellent and the Dolphins also serve generous portions of olive oil and freshly ground pepper for dipping.

CNN: Finding fine wines in Virginia

My family adopted this substitution: a bowl of olive oil with a splash of balsamic vinegar for dipping bread or veggies.

CNN: A family's guide to healthy food substitutes