英语词汇“pumping helix”的读音、翻译、释义、用法及例句-开邑网

词汇	pumping helix
释义	pumping helixpumping helix1.■螺旋型泵浦
随便看	quarter-wave radiator quarter-wave resonance quarter-wave stack quarter-wave transformer quarter-wave voltage ramjet exhaust nozzle ramjet helicopter ramjet performance ramjet propulsion ramjet rocket ramjet speed ramjet stage ramjet sustainer ramjet-turbojet combination ramjet-turbojet power plant ram-jolt ram knife ramless extrusion ram lift rammability rammed rammed 37 lime earth rammed block rammed bottom rammed bottom lining

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