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每年，全国地质勘探工作需剥土数百万立方公尺，从这些分布在荒山遍野的探槽中，所提升的土石以千万吨计。在现代高度机械化的矿井中提升这些土石，不是什么太困难的问题，然而在地质勘探中，利用人力及半机械化进行这样巨大提升量的工作，其繁重程度可想而知，需要耗费多么巨大的劳动力！同时，许多勘探队的生产实践表明（如广西巴平地质勘探队，湖南沅水地质勘探队等），在松散的土石层中掘进，无论是探槽或探井，其成本降低及效率
Every year, the country’s geological exploration work requires the stripping of millions of cubic meters of soil. From these trenches scattered throughout the wilderness, the amount of earth and rock raised is estimated at 10 million tons. It is not too difficult to raise these earth and stones in modern highly mechanized mines. However, in geological exploration, the labor and semi-mechanization are used to carry out such a huge amount of work. The degree of tediousness can be imagined and it will take a huge amount of work. labor force! At the same time, the production practices of many exploration teams have shown (such as the Guangxi Baping Geological Exploration Team and Hunan Qinshui Geological Exploration Team) to dig into loose earth and rock formations, whether it is trench exploration or exploration wells, their cost reduction and efficiency.