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preheating是什么意思

preheating

美['priːhiːtɪŋ]  英['priːhiːtɪŋ]
v.  预热

英英释义

动词preheat
  1. heat beforehand

例句

用作动词(v.)
  1. The processes of preheating and welding of super scale penstocks were detailed.本文详细叙述了巨型压力钢管的预热装配和焊接过程。
  2. Condensate from the first-effect calandria is used for preheating the feed.一效列管换热器中出来的冷凝液被用来预热进料。
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