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前言通常,美国的经济运行和水泥工业状况受全球情况的影响。波特兰水泥协会(PCA)的经济学家们开展了名为国际监控的计划,其出具的《动态报告》的首要目的是对全球经济趋势进行全面的评估。
Foreword In general, the U.S. economy and the cement industry are affected by the global situation. Economists from the Portland Cement Association (PCA) have launched a program called International Monitoring, whose primary purpose of “Dynamic Reporting” is to conduct a comprehensive assessment of global economic trends.