دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: 1. short for an industrial or gas engine manufactured by Caterpillar, Inc.2. short for any piece of industrial equipment. such as a bulldozer manufactured by Caterpillar, Inc.

n: a powered machine for earthwork excavation;a bulldozer.

n: a claw-shaped, plowlike attachment used on a bulldozer to loosen rock and locate solid formations that may require explosives in clearing a right-of-way for pipeline construction.