The material utilization ratio is the core of technology indexes.
技术指标的核心是材料利用率。
The preparation method has the advantages of simple operation, short production cycle, low cost and high raw material utilization ratio.
本发明中的制备方法操作简单，生产周期短，成本低，原料利用率高。
Wax precision casting is adopted for the shaft sleeve, increasing material utilization ratio by 77% and realizing "less cutting and no cutting".
铸造工艺采用石蜡精铸成型，使材料利用率提高77％，达到少切削、不切削目的；
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