single type core barrel 单筒式岩心筒

basket-type core barrel 篮式取心筒

pressure-type core barrel 压入式取样筒

rigid-type core barrel 双动双层岩心管

double type core barrel 双筒式岩心筒

doubletube rigid type core barrel 双动双层岩心管

doubletube swivel type core barrel 单动双层岩心管

rotary type side core barrel 旋转型井壁取芯筒 ; 旋转型井壁取心筒

barrel-type core bit 筒式取心钻头

barrel-type e core bit 筒式取心钻头