毛主席教导我们说:“一个正确的认识,往往需要经过由物质到精神,由精神到物质,即由实践到认识,由认识到实践这样多次的反复,才能够完成。” 遵循毛主席这一教导,今年五月,为使工农兵座臥两用客车的试制研究工作,更广泛、更全面地吸取广大工农兵放客、广大铁 Chairman Mao taught us that “a correct understanding often needs to be accomplished through materialism to spirituality, from spirituality to materialism, from practice to understanding, and from practice to repetition in many ways.” Following Chairman Mao’s First, in May this year, in order to make trial and researches on the dual-purpose passenger vehicles for workers, peasants, soldiers and wards more extensive and comprehensively absorb the broad masses of workers, peasants and soldiers,