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黑龙江省农机局受农机部科技局委托于1981年8月,在黑龙江省农机修理研究所召开了4125型纸浆锯末机油粗滤芯技术鉴定会。代表们将滤芯在ZJ-1型机油泵试验台上进行了各项技术性能测试,结果表明,达到了预期指标,而且滤芯流量(高达34升/分)、滤清效率(高达72.9%)都超过
Agricultural Machinery Bureau of Heilongjiang Province commissioned by the Bureau of Agricultural Machinery Science and Technology Bureau in August 1981, the Agricultural Machinery Repair Institute in Heilongjiang Province held a 4125-type pulp sawdust oil coarse filter technology appraisal meeting. Representatives tested the technical performance of the filter on the ZJ-1 oil pump test bench. The results showed that the filter had reached the expected target, and the filter flow rate (up to 34 l / min) and filtration efficiency (up to 72.9%) exceed