建国初期,我国对有色金属老矿区进行了全面的勘探,基本满足了第一、第二个五年计划的建设需要.其后,经过普查、勘探,探得了100多种矿产,提交了大量的储量,为社会主义建设作出了贡献.然而,也应看 In the early years after the founding of New China, China conducted a comprehensive exploration of the non-ferrous metal mining area and basically met the construction needs of the first and second five-year plans.Afterwards, after the census and exploration, more than 100 kinds of minerals were explored and lots of The reserves have contributed to the construction of socialism. However, we should also look at it