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。

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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。

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