single heat source的意思|示意

These stoves generally run on wood (or, worse, rubbish) and are the go-to source of heat and food preparation for some 3 billion people every single day.

这些炉子基本是烧木头的（差一点的话垃圾也可以），可以每天为30亿人提供食物、产生热量。

Power generating plants are the single largest source of carbon dioxide (CO2), a greenhouse gas that traps heat and makes the planet warmer.

发电厂是二氧化碳(CO2)最大的来源，而CO2是一种温室气体能够捕获热量并使全球气候变暖。

Base on several common U-tube heat transfer models of ground source heat pump, this paper proposes a transient heat transfer model for single U-tube vertical heat exchanger.

介绍了几种常见土壤源热泵u型埋管换热器传热模型，建立了单u型垂直埋管换热器的非稳态传热模型。

The limitation of the single-effect LiBr absorption chilling circle driven by the low temperature solar energy heat source require adopting auxiliary means for proper operation.

由于单效溴化锂吸收制冷循环受太阳能热源温度较低的限制，需要采用适当的辅助手段。

Half-circle model and full-circle model, fixed heat source and moving heat source, single pass and multi-pass welding are used for comparison.

比较了半周模型和全周模型，固定热源和移动热源，单道焊和多道焊下的分析结果。