活動的英語翻譯：

move about; ploy; activity; campaign; function; movement
【計】 activity
【醫(yī)】 activity; cine-; kine-; kinesio-

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

板式換熱器的英語翻譯：

【化】 plate heat exchanger; plate-type heat exchanger