core barrel

listen to the pronunciation of core barrel
الإنجليزية - التركية
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الإنجليزية - الإنجليزية
(Madencilik) A length of pipe immediately above the bit of a rotary core drill. Double-core barrels have an inner portion mounted on a bearing so that it remains stationary and does not damage the core to the same extent when drilling is in weak friable strata
core barrel

    الواصلة

    core bar·rel

    التركية النطق

    kôr bärıl

    النطق

    /ˈkôr ˈbarəl/ /ˈkɔːr ˈbærəl/
المفضلات