单词	helium ship
释义	helium ship 氦气艇
随便看	sealed fluid coupling sealed-for-life sealed-for life bearing sealed-for-life bearing sealed for life bearing sealed for life lubricant sealed-for-life vane pump sealed fracture sealed fuel element sealed fuel pump sealed-gage pressure transducer seal edge sealed germanium diode sealed glass ampoule sealed head sealed hydraulic coupling sealed in sealed-in sealedin sealed in fuel element sealed-in fuel element sealed-in fuel unit sealed-in motor sealed in motor sealed-in nozzles 551354134 551354152 551354154 551354251 551354251 55135444 551354521 55135511 551355215 55141121 20609 20610 20611 20612 20613 20614 20615 20616 20617 20618