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介绍了ＧＷＳ型往复给煤机的研制目的和采取的主要措施，以及给煤机的结构、主要技术特征、工业性试验情况。
The purpose of the development of GWS reciprocating coal feeder and its main measures are introduced, as well as the structure of the coal feeder, the main technical characteristics and the industrial experiment.