exhaustern.排气机；抽风机；进气通风机；排气装置exhaustv.使筋疲力尽；耗尽；详尽论述n.排气装置；废气exhaust reservoir排气储筒exhaust expansion排气膨胀exhaust mufflellr排气消声器exhausting-slot排气槽Exhaust pollutant排放污染物exhausted molasse[化] 桔蜜; 废糖蜜exhaust deflector排气偏导装置exhaust afterheat尾气余热exhaust HEPA unit种族多元化exhaust the topic谈透这个话题

1. Their community gained access to central heating powered by waste heat.
   他们小区也用上了利用废热的集中供热暖气。
2. Waste heat and treated sewage efflunents are two such discharges that are now being investigated.
   废热和处理过的污水，就是目前正进行研究的两种排放物。