The supersonic gas-centrifugal atomization Technology was used to study the influence of distinctive factors on the properties of AgRE alloy powders.
采用超音速气体离心雾化技术，研究了不同工艺条件对银稀土合金粉末性能的影响。
Summarized the physical machinery preventing and controlling technology by carrying on the experiments of medicament drilling to a hole and crown atomization.
总结了物理机械防治技术，进行了内吸药剂打孔注射法和树冠喷雾防治试验。
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