产品系列推陈出新 满足世界广泛需求 在第二次世界大战以后的几十年中，由于美国开展修建州际公路等大量上方工程，卡特彼勒因此乘时而兴，蓬勃发展。为满足国内外的广大市场，卡特彼勒同时扩大了产品系列，把以前的拖拉机附件设计成全新的机械，创造了一些新产品。这种办法以 Product line innovation to meet the world's wide range of needs In the decades after World War II, due to the United States to build a large number of projects such as the construction of the interstate highway, Caterpillar so take the time to flourish. In order to meet the vast majority of markets both at home and abroad, Caterpillar also expanded its product range to create new products by designing new tractor accessories into entirely new machines. This approach