鸡西矿务局穆稜煤矿七井的广大革命职工,在毛主席无产阶级革命路线的指引下,遵照毛主席“独立自主,自力更生”的伟大教导,经过苦干实干加巧干,终于试制成功自动往复式双缶洗尘器。其工作原理如下:(见图) Under the guidance of Chairman Mao’s proletarian revolutionary line, following the great teachings of Chairman Mao’s “independence and self-reliance”, after extensive hard work and hard work, the vast majority of revolutionary workers in Muling Coal Mine in Jixi Mining Bureau succeeded in making a trial-and- Double 缶 washing machine. Its working principle is as follows: (see picture)