corrugate pipe
1flute — Synonyms and related words: English horn, Pandean pipe, aulos, bagpipe, bark, basset horn, basset oboe, bassoon, bawl, bellow, bezel, blare, blat, blow, blow a horn, blubber, bombard, boom, bray, breathe, bugle, buzz, cackle, canal, canalize,… …
2channel — Synonyms and related words: EDP, access, adolescent stream, adviser, aisle, alley, amateur band, ambulatory, announcer, annunciator, aperture, approach, approaches, aqueduct, arcade, arroyo, artery, authority, avenue, band, basin, beck, bed, bit …
3trench — Synonyms and related words: Bassalia, abri, abysm, abyss, abyssal zone, adit, air raid shelter, approach, approach trench, aqueduct, arroyo, barge in, bathyal zone, benthos, bomb shelter, bombproof, bore, bottom, bottom glade, bottom waters,… …
