常見例句雙語(yǔ)例句This paper presents, the barch test results of combined flowsheet of ore dressing-metallurgy for Da Xin manganese Carbonate ores.文章闡述采用選冶聯(lián)合流程處理大新碳酸錳礦石的小型試驗(yàn)結(jié)果。Its structures and the working principles are analysed. This fixture can meet the needs of barch production for the small and medium sized factories.分析其結(jié)構(gòu)型式和工作原理，此夾具適合中小型企業(yè)的批量生產(chǎn)。 返回 BArch