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美国长年公司在固体矿产钻探工业中,率先发展绳索取芯钻探器具与工艺,已有三十多年的历史.在过去十五年里,Q系列绳索取芯器已成为资本主义国家默认的工业标准系列,而且为许多钻探公司所仿制,甚至有的钻探制造商索性买来专利,进行批量生产.长年公司曾不断地进行过多次改进,以提高绳索取芯器的生产效率和可靠性. 1982年1月1日长年公司公布了绳索取芯器的最新改进资料,并正式纳入工业生产. 这次改进的着眼点是:为钻探工人在操作工序中提供更安全的保证;提高生产效果;并注意
For many years, the United States has been the pioneer in the solid mineral drilling industry for the development of cord coring drilling tools and processes for more than three decades, and for the past 15 years the Q-series cordless coring core has become the capitalist country’s default Industry standard series, but also imitation of many drilling companies, and even some manufacturers simply bought the patented drilling, mass production. Years of continuous improvement has been made to improve the rope cordless core production efficiency and reliable January 1, 1982 Long-aged company announced the latest improvement of ropes and cores, and formally incorporated into industrial production.The focus of this improvement is: to provide drilling workers with safer assurances in the operation process; to improve Production effect; and attention