nano particles短语¹⁴⁴⁹⁷²⁺² 基本例句 纳米微粒 The application of direct high-voltage arc current in gasification equipment can provide metallic nano particles as well as conduct the research of synthesis of nano particles. 高压直流电弧气化法制备金属纳米粉设备能用于生产金属纳米粉体或研究纳米合成技术。 worldmetal