【化】 closed return bend

閉式的英語翻譯：

【化】 closed type

回轉(zhuǎn)的英語翻譯：

circumgyrate; gyre; gyrus; slew; turn; circumgyration; gyration
【計】 gyro
【化】 gyrate; revolution; rotate; swing; whirl

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