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在毛主席无产阶级革命路线指引下,在批林批孔运动中,一九七四年我们试制成功了YTL-610型圆图压力记录仪. 这个产品是根据煤炭工业部有关单位的要求设计的,作为采矿机械化的重要设备液压支架的配套仪表. 采用液压支架采煤是采矿工业中的一项重大革新,它对于提高生产率节约木材和安全生产具有重大意义.煤炭工业部对此十分重视.
Under the guidance of Chairman Mao’s proletarian revolutionary line and in the campaign to criticize Lin and Biao holes, we successfully produced the YTL-610 circular chart pressure recorder in 1974. This product was designed in accordance with the requirements of the relevant departments of the Ministry of Coal Industry , As a supporting instrument for the hydraulic support of the important equipment of mining mechanization Coal mining with hydraulic supports is a major innovation in the mining industry and it is of great significance to improve productivity and save timber and safety in production.The Ministry of Coal Industry attaches great importance to this.