directline直通行directadj.直接的；笔直的；坦白的v.对准；指挥；指示；命令direct-entry phototypesetting直接输入照相排版direct costing income statement[经] 直接成本计算收益表direct-contact desuper heater喷水减温器direct current electro-magnet直流电磁铁direct current signaling system直流信号系统direct communication with sb.直接与某人通信Direct melting copolymerization直接熔融共聚Direct laryngoscopy with biopsy直接喉镜检查伴活组织检查Direct Drive or belt drive?Direct reduction in rotary kiln回转窑直接炼铁