patent fuel

名词 n.
中文释义

英文释义

名词 n.
  1. Fuel, usually in the form of briquettes, made from fine, crushed coal with the addition of a binding agent. countable,uncountable
    — The originating tonnage of coal class traffic (that is to say coal, coke and patent fuel) for the whole of British Railways in 1957 was 166,153,300 tons, representing half-a-million tons a day and roughly 60 per cent of the total freight traffic.

词形变化

patent fuels plural
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