Introduces that Malan coal mine of Xishan coal electricity group company has made the improvement, the effect is remarkable.
介绍了西山煤电集团公司马兰矿进行了这方面的改进，效果显著。
TEM has achieved remarkable effect in goaf exploration and made great contribution to the hydro-geophysical exploration in collieries of Jiangxi Province.
瞬变电磁法在江西煤矿采空区探测中取得了显著的效果，在江西煤矿的水文地质探测中发挥了积极作用。
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