Main line
Main line noun - The principal route of a transportation system.
Main pipe
Mutual synonyms
Cite this Source
Main pipe and Main line. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/main_line/main_pipe
Main line & Main pipe. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/main_line/main_pipe>.
Main pipe or Main line. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/main_line/main_pipe.
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