The increase in material use efficiency means that the amount of materials consumed did not grow proportionally with the growth of GDP, realizing a certain degree of relative dematerialization.
物质使用效率的提高表明中国经济的物质消耗没有随经济总量的增长而成比例增长，实现了一定程度的相对减量。
Efficiency and effectiveness are guiding principles throughout the design. In intervention, material use, footprint, costs and burdening of the environment.
效率和效能是贯穿设计的指导原则，运用在干预、材料使用、碳足迹、成本和环境负荷等方面。
Improve process, use new technology, new working process, material. Improve product quality, reduce scrap rate improve gating efficiency.
制定工艺技术改进计划，积极采用新技术、新工艺、新材料，提高产品质量、降低废品率和铸件利用率。
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