Ngwá ọrụ Core na Core Bits

Barrels na ntụtụ core na-egosi ike ọtụtụ nke ntụtụ drilling na ugbo ala na engineering geotechnical, nke na-egosi na site investigation na ground characterization. A na-akpọkpọ ha na ntụtụ drilling na-egosi na ugbo ala na-egosi na ugbo ala na-egosi na ugbo ala na-egosi na ugbo ala. Core barrels, na-akpọkpọ ha na high-grade steel, na-egosi na core bit na-akwụ ugbo ala na-akwụ ugbo ala, na-egosi na ugbo ala na-egosi na ugbo ala na-egosi na ugbo ala na-egosi na ugbo ala, na-egosi na ugbo ala na-egosi na ugbo ala na-egosi na ugbo ala. Nke a na-eme ka na-eme ka recovery na-akwụ ugbo ala na-akwụ ugbo ala na-akwụ ugbo ala na-akwụ ugbo ala na-akwụ ugbo ala na-akwụ ugbo ala na-akwụ ugbo ala na-akwụ ugbo ala.