最近几年我国大量引进了采掘机械设备,为了解引进采煤机的使用效果,1977年11月至1978年5月煤炭部科技局曾组织我们和阜新矿院的同志在徐州、肥城、阳泉、大同、开滦等矿务局和西安煤机厂,对当时从英、法、苏、波和西德五国引进的几种采煤机作了调研。这些采煤机使用过程中暴露出来的问题较多,我们只就其中的几个问题作 In recent years, China introduced a large number of mining machinery and equipment, in order to understand the introduction of the use of Shearer, November 1977 to May 1978 Department of Coal Science and Technology Bureau has organized us and Fuxin Mining comrades in Xuzhou, Feicheng, Yangquan, Datong, Kailuan and other mining bureau and Xi’an coal machine factory, at that time from Britain, France, Soviet Union, Poland and West Germany introduced several kinds of coal mining machine made a survey. These shearer exposed during the use of more problems, we only one of several issues