scientific drilling

way for scientists to probe the Earth's sediments, crust, and upper mantle

en-US/ˌsaɪənˈtɪfɪk ˈdɹɪlɪŋ/
en-GB/saɪənˈtɪfɪk ˈdɹɪlɪŋ/

دسته بندی ها:

boring