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美国车辆制造工业正处在一个产量减少的停滞时期。1978年的订货总数在十万辆以上;1983年则减少到六千辆;1984年估计可能有一万二千辆。铁路货车的制造厂家也从二十家减少到十八家。如果这种趋势继续下去,那末美国就可能只剩下六个车辆制造厂家了,而且每年仅能造车五万辆左右。七十年代末的生产能力为年产九万至十万辆。这说明,即使对车辆的需求量发生急剧变化,产量也不会象过去那样有显著的改变。这种情况看来将会导致技术复杂的专用车辆的订货减少。美国铁路已开始更加重视
The U.S. vehicle manufacturing industry is in a period of stagnant output. The total number of orders in 1978 was over 100,000; in 1983 it was reduced to 6,000; in 1984 it is estimated that there may be 12,000. The manufacturer of railway wagons has also been reduced from twenty to eighteen. If this trend continues, there may be only six vehicle manufacturers left in the United States, and only about 50,000 vehicles will be built each year. The production capacity of the late seventies for an annual output of 90,000 to 100,000. This shows that even if there is a drastic change in the demand for vehicles, the output will not change significantly as in the past. This situation appears to result in a reduction of orders for technically complex dedicated vehicles. U.S. railroads have begun to pay more attention