一、前言 为了响应毛主席“备战、备荒、为人民”的伟大号召,进一步滿足国民經济发展的需要,提高貨車卸車效率,改善装卸工人的劳动强度,縮小三大差別。我們遵循毛主席“你对于那个問題不能解决么?那末,你就去調查那个問題的現状和它的歷史吧!你完完全全調查明白了,你对那个問題就有解决的办法了。”的指示,参加了铁道部工厂总局主持組成的矿煤車調查小組,深入装卸现场,直接听取装卸工人对矿煤车的 I. Preface In response to the great call of Chairman Mao for “preparing for war, preparing for waste and for the people”, we further meet the needs of the development of the national economy, improve the efficiency of truck unloading, and improve the labor intensity of the loading and unloading workers, narrowing the three major differences. We follow Chairman Mao. “Can not you solve that problem? Then you will investigate the current situation of the problem and its history! You fully investigate and understand that you have a solution to that problem.” Instructed and participated in the coal mine car investigation team chaired by the General Administration of Factory of the Ministry of Railways to conduct in-depth loading and unloading at the scene and directly listen to the loading and unloading workers’