ass日本风韵熟妇pics男人扒开女人屁屁桶到爽|扒开胸露出奶头亲吻视频|邻居少妇的诱惑|人人妻在线播放|日日摸夜夜摸狠狠摸婷婷|制服 丝袜 人妻|激情熟妇中文字幕|看黄色欧美特一级|日本av人妻系列|高潮对白av,丰满岳妇乱熟妇之荡,日本丰满熟妇乱又伦,日韩欧美一区二区三区在线

42.6%,、86.2%,、92.1%。Exergy analysis is a kind of scientific and comprehensive energy analysis method. By making positive and negative thermal balance analysis on new type Ⅱ biomass briquette hot-water boiler, we got the conclusion that the largest exergy loss lies on irreversible burning which reaches 69.93%, and irreversible heat transfer exergy losses follows, reaches 14.5%, then the calculation results were analyzed using the concept of avoidable exergy loss, the results show that the position of combustion, the position of heat transfer, the position of smoke and the practical efficiency of the exergy are respectively 42.6%,86.2%,and 92.1% after adopting the concept of avoidable exergy loss.