دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: Composed by several balls installed in the cone bearing and tray bath in the surface of cone axis. Used for sustaining radial reacting force of cone and part of axial force. Also can lock the cone and make sure it not fall off from the cone.

n: liquid placed in a container and held at a controlled temperature to regulate the temperature of any system placed in it or passing through it.

an irregular intrusion of an igneous rock into another rock.

the study and mapping of ocean floor topography.