1.blow-offpipe  2.blastpipe  3.blastpipe  

放氣的英語翻譯：

deflate; deflation
【化】 air escape; blow-off; gas blow off; valve the gas; ventage
【醫(yī)】 deflation

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