【电】 mutual-conductance tube tester
【计】 mutual conductance
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
test; testing
【计】 T
【化】 measurement and test
【经】 test
implement; organ; utensil; ware
【医】 apparatus; appliance; crgan; device; organa; organon; organum; vessel