petticoat pipe

名词 n.
中文释义

英文释义

名词 n.
  1. A short, flaring pipe surrounding the blast nozzle in the smokebox of a locomotive, to equalize the draft.
    — The ordinary blast-nozzle and petticoat pipe properly proportioned for any British locomotive can make it produce 30 d.b.h.p./sq ft of grate continuously with a blast-pipe pressure 4 lb/sq in. above atmospheric pressure.

词形变化

petticoat pipes plural
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