direct cut直接劈directadj.直接的；笔直的；坦白的v.对准；指挥；指示；命令Direct solid sampling直接固体进样direct energy balance直接能量平衡direct-acting hoist直接传动提升机,直接传动的提升机direct wave reduction直达波衰减Direct Support System直接支援系统direct bonding system直接粘结体系direct-line service专线业务direct inward dialing直接向内拨号direct contact heater接触式加热器direct speech oration直接引语