The earliest recorded weight-driven mechanical clock was built in 1283 in Bedfordshire in England.

有记载的最早的重量驱动机械钟是1283年在英国贝德福德郡建造的。

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The earliest recorded weight-driven mechanical clock was built in 1283 in Bedfordshire in England.

有记载的最早的重量驱动机械钟是1283年在英国贝德福德郡建造的。

youdao