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Research on classification of relative density in lunar regolith drilling
ZHENG Yanhong, DENG Xiangjin, PANG Yong, JIN Shengyi, YAO Meng, ZHAO Zhihui
ACTA AERONAUTICAET ASTRONAUTICA SINICA . 2020, (
4
): 223391 -223391 . DOI: 10.7527/S1000-6893.2019.23391