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综采设备较为庞大,吨位重,一套西德WS1.7—1.2/2.8型支架重达一千多吨,拆除、安装时间长,工作量大。为了提高综采设备的有效利用率,减少设备搬家次数,就必须尽可能的加长综采工作面的推进长度。
The fully mechanized mining equipment is relatively large and the tonnage is heavy. A set of West Germany WS1.7-1.2 / 2.8 supports weighed over 1000 tons, and it takes a long time to dismantle and install and the workload is heavy. In order to improve the effective utilization of fully mechanized mining equipment and reduce the frequency of equipment moving, it is necessary to lengthen the propulsion length of fully mechanized mining face as much as possible.