• 接着完善叉瓦式纵机构叉瓦式擒纵机构1754年英国制表师ThomasMudge发明那以后就广泛运用大部分中。

    Now he had to improve on the lever escapement, which had been invented in 1754 by the English horologist Thomas Mudge and used in most watches since.

    youdao

  • 接着完善叉瓦式纵机构叉瓦式擒纵机构1754年英国制表师ThomasMudge发明那以后就广泛运用大部分中。

    Now he had to improve on the lever escapement, which had been invented in 1754 by the English horologist Thomas Mudge and used in most watches since.

    youdao

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