conveyer system短语¹⁴⁴⁹⁷²⁺² 基本例句 传送带流水作业法,输送机系统,流水作业 According to the comparison result of technical and economic performance between dry slag disposal system and scraper slag conveyer system, the former shows great technical and economical advantages. 将干排渣系统同大倾角刮板捞渣机在技术和经济性方面进行分析比较表明，干排渣技术具有极大的技术和经济优势。 dictall