The traditional technique of salt well repairing and controlling in Zigong area is an important part in the system of Chinese well drilling technology.
自贡地区的传统修治井技术，是中国古代钻井技术体系中的重要组成部分。
The traditional technique of salt well repairing and controlling in Zigong area is an important part in the system of Chinese well drilling technology.
自贡地区的传统修治井技术，是中国古代钻井技术体系中的重要组成部分。
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