论文部分内容阅读
卡特彼勒中国有限公司1985年12月分别在北京、广州主持召开了“露天开采工艺研讨会”。会议采用分期分批的方式举行,中国方面参加研讨会的有采矿界的管理干部、工程技术人员约300多人。卡特彼勒中国有限公司是美国CATERPTLLAR
In December 1985, Caterpillar China Co., Ltd. hosted the “Seminar on Open Pit Mining Technology” in Beijing and Guangzhou respectively. The meeting was held in installments and batches. About 300 Chinese management cadres and engineers and technicians from the mining sector participated in the seminar in China. Caterpillar China Ltd. is a U.S. CATERPILLAR