2-4-2
A surname from Dutch.
Alternative spelling of swap
(organic chemistry) An organic compound produced from convolvulin by reaction with alkalis.
Under the Whyte notation system, a steam locomotive that has two leading wheels arranged in a leading truck, four coupled driving wheels and two trailing wheels in a trailing truck.
先台車に二つの車輪、動輪が四つ、従台車に二つの車輪を持つ形式の蒸気機関車は、支線での軽旅客列車に理想的で、速度と安定性のバランスが良かった。
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DiQt
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