Where does this definition of knob insulator come from?
This entry for knob insulator is sourced from Main Dictionary, one of the dictionaries and corpora merged into Lughet.
Does knob insulator appear elsewhere on Lughet?
Yes — knob insulator 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.
