最終更新日：2024/07/29
Under the Whyte notation system, a 4-4-6-4 refers to a steam locomotive with four leading wheels, four coupled driving wheels, six coupled driving wheels, and four trailing wheels.
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Under the Whyte notation system, a 4-4-6-4 refers to a steam locomotive with four leading wheels, four coupled driving wheels, six coupled driving wheels, and four trailing wheels.
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