earthmoving machine造句

• Instead of the more usual archaeological methods, Kitov used three large earthmoving machines.
• LeTourneau was largely responsible for the invention and development of many types of earthmoving machines now widely used.
• The partners expanded their product line to include earthmoving machines in order to increase the ability of their business to withstand the next economic downturn.
• "Until almost the twentieth century, one simple tool constituted the primary earthmoving machine : the hand shovel-moved with animal and human powered, sleds, barges, and wagons.
• There are three types of off-the-road tires, " transport " for earthmoving machines, " work " for slow moving earth moving machines, and " load and carry " for transporting as well as digging.
• Caterpillar, which originated in 1925 with the merger of two farm tractor companies, is dominant in excavating and earthmoving machines, but now receives a third of its revenues from engine sales and about 5 percent from financial services.