Use equipment can simplify production technology, raise work efficiency, overall material utilization factor has high precision and good strength high, enterprise economic benefits are notable.
使用本设备能简化生产工艺，提高工效，材料利用率高，精度高，强度好，企业经济效益显著。
2
Environmental cost accounting is of great significance to save enterprise cost and improve economicefficiency, so it plays an important role in the overall environmental accounting.
When evaluating the overallefficiency of an energy project, the technical factors, economic factors and environmental factors should be taken into account.