Making most of fully-mechanized equipment with capacity of producting 7000 t coal per day and realizing high production and high efficiency

摘要

The set cutting machiens of daily output 7000 t is the emphatic national scientific research item during the period "85" studied and manufactured by the Shanghai Branch of the Coalescence General Institute and Jixi Coal Machinery Manufacture and headed by the Coal Science General Institute. This set equipment had been undergone industrial test at the North - west 708 working face of Xiaonan Mine of Tiefa Coal Bureau during January to March of 1995.