佛山冶铁业在清康雍乾达到了最高峰。

Foshan smelting iron industry in the Qing emperors Kangxi, Yongzheng and Qianlong reached a peak.

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通过对康雍干时期陋规问题的研究，我们会发现一个矛盾的现象：即法律明文禁止，它却堂而皇之的存在。

Based on the study of customary fees in Kangxi Yongzheng and Qianlong reign, We will find a contradictory phenomenon, it was explicitly prohibited by law, but it existed objectively.

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明清时期，邮驿制度趋于完备，在清康、雍、干时期，邮驿达到了鼎盛时期，同时也开始了它的衰落。

Ming and Qing period, postal routes became complete name, postal routes reached peak period, but also the beginning of its decline.

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