【建】 clip fastener
envelop; seal
【经】 seals
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
chance; crucial point; engine; machine; occasion; organic; pivot; plane
flexible
【医】 machine
