This research may provide a series of Pd composite functional materials and a kind of fine composite power technique.
同时该研究有可能提供一系列钯基复合功能材料的微细复合技术。
DC series submerged arc welding machine is a multi-functional welding power unit controlled by total-digital thyristor and applicable to both semiautomatic and automatic welding.
DC系列埋弧焊机是一种采用全数字晶闸管控制可以应用于半自动和自动焊接的多功能焊接电源。
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