thread-rolling
thread-space
thread-tapping
thread-turning
thread-type
thread-whirling
threat
three
three-angular
three-arm
  three-axis
three-axis-controlled
three-bay
three-C
three-component
three-coordinated
three-core
three-cornered
three-curve
three-cylinder
three-datum-plane

    three-axis simultaneous contouring

    контурная объёмная обработка с одновременным перемещением рабочих органов (станка) по трём осям координат