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Zigong City, Sichuan Zigong Salt Salt Museum shows the inclination to correct for the ages, Salt test chamber and fill the #41482867
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Salt Production Technology Development History exhibition, from drilling, Brine, natural gas extraction, salt and other aspects of reproduction of the evolution and development of salt production technology, the performance of the technology to drill deep wells centered on the ancient salt production process, reflects the ancient the working people's wisdom and creativity. The sinking of the Qing Dynasty on display shelf mechanical pestle, by human pedaling to iron impact drill rock bottom, you can reach kilometers above Salt chisel depth; various rock drill for drilling up to more than 10 species. These kind of drilling is an important cultural history of the world.
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