【化】 graphite pipe
black lead; graphite; plumbago; pot lead
【化】 black lead; graphite; mineral black; mineral carbon; pot lead
【医】 black leaching; graphite; plumbago
canal; duct; fistula; guarantee; meatus; pipe; tube; wind instrument
【化】 pipe; tube
【医】 canal; canales; canalis; channel; duct; ductus; salpingo-; salpinx
syringo-; tuba; tube; tubi; tubing; tubo-; tubus; vas; vaso-; vessel