Directoiren.执政内阁adj.执政内阁时代式的directadj.直接的；笔直的；坦白的v.对准；指挥；指示；命令Direct Bonding of Silicon Wafers硅片的直接键合direct current welding generator电焊用直立电机Direct reporting through network网络直报Direct Commissary Support System粮秣直接支援系统direct current digital voltmeter直流数字电压表Direct Mail Association of China中国直邮协会direct-current control voltage直流控制电压direct displacement based design直接基于位移设计direct-current analog computer直流模拟计算机direct drive video magnetic drum直接驱动视频磁鼓

1. Direct heating in an electric furnace is the dominant commercial practice.
   在电炉内进行直接加热成了在商业上独占的方法。
2. When combined with the detection and sample preparation chemistries, direct heating allows several test assays to be run in a single rapid reaction.
   当联合进行检测与样品准备的时候，直接加热系统允许在单次快速反应中进行几项检测。
3. It is one of the atmospheric burnner with low pressure and guidance sprays.It can be used in direct heating for industry.
   该燃烧器属于低压引射大气式燃烧器，可用于工业直接供热。