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卡特彼勒中国公司(Caterpillar China Limited)于九月份在北京举行了一次“土方工程与筑路技术研讨会”。会议用分期分批的方式进行,先后历时十几天。参加会议的有我国各方面的专家和有关人士共约三百余人。会议通过幻灯、录像和技术报告等形式
Caterpillar China Limited held a “Earthwork Engineering and Road Building Technology Seminar” in Beijing in September. The meeting was conducted in installments and batches, which lasted more than ten days. There were about 300 experts and relevant people from all walks of life participating in the conference. The meeting adopted slides, videos and technical reports and other forms