焊的英語翻譯：

solder; weld
【電】 soldering

管的英語翻譯：

canal; duct; fistula; guarantee; meatus; pipe; tube; wind instrument
【化】 pipe; tube
【醫(yī)】 canal; canales; canalis; channel; duct; ductus; salpingo-; salpinx
syringo-; tuba; tube; tubi; tubing; tubo-; tubus; vas; vaso-; vessel

機(jī)的英語翻譯：

chance; crucial point; engine; machine; occasion; organic; pivot; plane
flexible
【醫(yī)】 machine