extremely efficient in preserving heat 保温性强
high efficient heat exchanger tube 高效传热管
efficient heat transfer 高效传热
an efficient heat pipe 高效热管
high efficient heat pipe 高效热管
efficient heat exchange area 有效换热面积
high efficient heat exchange 高效传热
high-efficient heat exchanger 关于高效换热器
highly efficient heat exchanger 高效换热器
heat efficient
加热效率
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The automatic control level and heat efficient for coal heating boiler is lower for most of domestic boiler so far.
目前国内大部分燃煤采暖用锅炉房自动化控制水平普遍较低，热效率也不高。
youdao
The walls were built extra thick to save heat and energy-efficient appliances kept energy use low.
VOA: special.2009.10.27
He also wants to speed up sales of home appliances that use efficient heat pumps--made, of course, by domestic manufacturers.
FORBES: Magazine Article
Electric companies say that electric heat is 100% efficient compared to natural gas which is about 90% efficient.
FORBES: Just The Facts? How About Just The Right Context
The new regulations in Massachusetts, which will take effect in June, will promote smaller and more efficient combined-heat-and-power biomass facilities that require less fuel and have lower net carbon dioxide emissions over time.
FORBES: Massachusetts Addresses "Biomass Loophole" and Limits Subsidies
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