词汇	型芯心管
释义	型芯心管 core barrel
随便看	direct-coupling turbine direct course direct course made good direct cover direct CPT methods direct cranking starter direct-cranking starter direct credit direct credit substitutes direct criticism direct criticism at sb direct cross direct cross-correlation direct cross design direct crossgraphy direct crossing direct cross matching test direct cross-matching test direct cross-strait links direct crosstalk direct cross talk direct-cross variogram direct crosswind direct cruuent arc welder direct culture