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本文概述美国铁路货车缓冲器的发展简况和现状,并简要介绍了AAR标准对货车缓冲器性能的要求和美国货车缓冲器的性能水平。
This article provides an overview of the development and status quo of railroad freight car buffers in the United States. It also provides an overview of the requirements of AAR standards for the performance of truck buffers and the performance levels of U.S. truck buffers.