建安工程费用
cost of construction and erection works
油田配套工程费用
cost of matching constructions of oil field development
电站锅炉节约用油分析
Analysis on oil-saving in power boiler
非工程节水
non-engineering saving water
节约用电
brownout
electricity-saving
Economize on Electricity
saving power consumption
energy saving
Electric saving
decrease electric power consumption
节约用电管理办法
power conservation management program
Regulation on electricity conservation
节约用棉
reducing cotton consumption