A novel plasma reactor with rotary multi tip electrode and a fixed concentric cylinder electrode has been developed in order to use in CH4 discharge and to produce unsaturated C2 hydrocarbons.
研制了一种新型的带有一个多尖端旋转电极对一个同心圆筒型固定电极的甲烷放电制备碳二烃的等离子体反应器。
The method of decomposition and machinability evaluation used for multi-layer and concentric holes of complex box-shaped parts is discussed and it has been applied to CAPP-NC system.
针对复杂箱体多层同轴孔的分解和加工性判断进行了研究，并应用于CAPP -NC系统中。
The dryer shaft is welded with several sets of multi-layer non-concentric seamless tubes, each of which is comprised of multiple seamless tubes having different sizes bent in Archimede's spiral.
干燥机轴焊有多套，多层不同心无缝管，每套有多根大小不同弯成阿基米德螺旋线形无缝管组成。
The dryer shaft is welded with several sets of multi-layer non-concentric seamless tubes, each of which is comprised of multiple seamless tubes having different sizes bent in Archimede's spiral.
干燥机轴焊有多套，多层不同心无缝管，每套有多根大小不同弯成阿基米德螺旋线形无缝管组成。
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