The paper introduces the research and manufacture of P/ M cylinder cover for compressing machine with focus on the influences of density, sintering temperature and aqueous vapor treatment on the tensile strength.
介绍了粉末冶金压缩机缸盖的研制过程。重点讨论了密度、烧结温度以及蒸气处理对抗拉强度的影响。
This paper introduced the structure of the wood chip compressing packing machine and packing voluntarily process, and analyzed its economic benefit.
介绍了木片压缩自动打包机的结构和自动打包过程,并对其进行经济分析。
纳米英语 · 高考英语
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