fly ash

名词 n.
中文释义
英 /ˈflaɪ æʃ/    美 /ˈflaɪ ˌæʃ/

英文释义

名词 n.
  1. A residue generated in the combustion of powdered coal or other materials, comprising the fine particles that rise with the flue gases; when generated industrially it is usually captured and can be recycled for use in construction materials. uncountable
    — Heat exchangers should be kept free of debris to minimize the possibility of fire. Fly ash deposited in heat exchangers may cause nonuniform temperatures. Therefore, the exchangers should be disconnected and cleaned out regularly.

词源

From fly (“(obsolete) act of flying”, noun) + ash.
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