炉效 meaning in English

furnace efficiency

After appropriate reform measures were taken , the slagging and gas temperature deviation problemes have been completely solved . the boiler efficiency was raised by 2 percentage points and the boiler ' s safety and economics effect got improved
锅炉经本次改造解决了炉膛出口烟温偏高的问题，实现了锅炉在130t h的额定工况下低温段过热器前烟温由大修前的936下降到825的预期效果，并提高炉效2个百分点，使锅炉运行的经济性和安全可靠性得到改善和提高。