单词	双v形发动机
释义	双V形发动机double V engine
随便看	quadrupole focusing--lens quadrupole focussing lens quadrupole interaction quadrupole--interaction quadrupole ion trap quadrupole lens quadrupole magnet quadrupole mass filter quadrupole mass spectrometer quadrupole mass spectroscope quadrupole moment quadrupole probe quadrupole radiation quadrupole--radiation quadrupole resonance quadrupole resonance--method quadrupole rod quadrupole source distribution quadrupole spectrometer quadrupole strength tensor quadrupole transition quadrupole--transition quadrupole triplet lens quads quad-sector air preheater