Where does this definition of hydraulic main come from?
This entry for hydraulic main is sourced from Main Dictionary, one of the dictionaries and corpora merged into Lughet.
Does hydraulic main appear elsewhere on Lughet?
Yes — hydraulic main appears under other sources or language pairs in Lughet's collection. See the list below.
What is Lughet?
Lughet is a free trilingual dictionary covering nearly five million entries across Uyghur, Chinese, and English, drawn from more than ten source dictionaries and corpora.