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词汇 hot blast
释义

Definition of hot blast in English:

hot blast

noun ˌhɒt ˈblɑːstˌhɒt ˈblast

  • The practice of preheating the air forced into a blast furnace in order to improve the efficiency of working of the furnace; the blast of hot air so used.

Origin

Mid 19th century. From hot + blast.

Definition of hot blast in US English:

hot blast

noun

  • The practice of preheating the air forced into a blast furnace in order to improve the efficiency of working of the furnace; the blast of hot air so used.

Origin

Mid 19th century. From hot + blast.
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