建国十周年以来,随着我国大规模经济建设事业的飞跃发展,地质勘探工作中的坑探工作(包括槽、井,坑探)和其他地质工作一样迅速的发展了起来,在1951年到1958年短短的八年时间内,全国共掘进了地下坑道217万米,总长度相当于北京至广西桂林的 Since the 10th anniversary of the founding of the People’s Republic of China, with the rapid development of large-scale economic construction in our country, pit exploration work (including trenches, wells and pit exploration) in geological prospecting has developed as rapidly as other geologic work. From 1951 to 1958 In a short span of eight years, a total of 2.17 million meters of underground tunnels have been excavated nationwide, with a total length equal to that of Beijing to Guilin, Guangxi