The requirements for selecting qualified alternative processes were presented.
提出了选择合适镀硬铬替代工艺的要求。
Relevant alternative processes were discussed on the basis of atom utilization, Efactor and environmental coefficient.
全面分析了原子利用率、E -因子和环境系数，并利用它们作为化工过程新的评价指标。
Form and dimension may also be achieved by a number of alternative processes such as hot or cold extrusion, sand casting, die casting, and precision casting.
形式和尺寸也可以通过其它一些可选工艺来达到，比如热挤出或冷挤出加工，沙模铸造，拉模铸造，或精密铸造。
Form and dimension may also be achieved by a number of alternative processes such as hot or cold extrusion, sand casting, die casting, and precision casting.
形式和尺寸也可以通过其它一些可选工艺来达到，比如热挤出或冷挤出加工，沙模铸造，拉模铸造，或精密铸造。
应用推荐