P/M friction material是什么意思

用法例句

Microstructural characteristic of rapidly solidified W9 high speed steel powders;

气体雾化快凝W9高速钢粉末的组织特征

Selective laser sintering——A kind of rapid prototyping technology based on special powders;

特种粉末选择性激光烧结快速成形技术

Status of Preparation and Application of Fe-Ni Alloy Powder;

铁镍合金粉末的制备及应用现状

Hydrothermal treatment of barium strontium titanate (BST) powders obtained by solution-precipitation method;

溶胶-沉淀法制备钛酸锶钡粉末及其水热处理

The Influence of Feed Way on Ferrite Powders Made by Hydrothermal Process;

加料方式对水热法制铁氧体粉末的影响

Studies on hydroxyapatite powders via sol-gel process;

溶胶-凝胶法制备羟基磷灰石粉末的研究

Discussion on the damage of metal powder to bus bar of insulation Al-smelting pots;

浅谈金属粉末对铝电解槽母线绝缘的危害

State-of-the-arts in metal powder rapid prototyping;

金属粉末激光烧结快速原型制造技术发展现状

Application and Developmeat of ultrasonic in nanosized metal powder preparation;

超声波在纳米金属粉末制备中的应用与发展