秤漏是一种特殊类型的漏刻，是用中国秤称量流入受水壶中水的重量来进行计时的仪器。它是北魏道士李兰于5世纪发明的。
秤漏是一种特殊类型的漏刻，在隋唐及北宋前期曾是司天机构的主要计时仪器。
The steelyard clepsydra, a special type of clepsydra, had been the chief timekeeping instrument during the Sui-Tang period and the earlier stage of the Northern Song dynasty.
秤漏是一种特殊类型的漏刻，在隋唐及北宋前期曾是司天机构的主要计时仪器。
The steelyard clepsydra, a special type of clepsydra, had been a chief time-keeping instrument during the Sui-Tang period a nd the earlier stage of Northern Song dynasty.
根据古文献记述，李兰秤漏很可能是使用弹簧联结权器和秤钩，以达到平均流速稳定的目的。
According to the record of ancient documents, this paper gives the possible structure of li Lan's steelyard clepsydra, and demonstrates the principle for the stabilization of average flow velocity.
应用推荐