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粉末冶金-粉末冶金是制取金属粉末或用金属粉末（或金属粉末与非金属粉末的混合物）作为原料，经过成形和烧结，制造金属材料、复合材料以及各种类型制品的工艺技术。粉末冶金法与生产陶瓷有相似的地方，均属于粉末烧结技术，因-fenmoyejin</br> generated by yvsou girl
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(28.56701.236.7261.7284.7407)
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(28.56701.236.7261.7284.7407)