词汇	welland canal
释义	welland canal 威兰运河
随便看	electron shower electron shuttle electron shuttle system electron signature system Electron simulation patient electron sink electron slag welding electrons leaves welding electron slimming machine electron sound speed electron sound velocity electron source electron-spark deposition electron spectrograph electron spectrometer electron spectrometers electron spectrometry electron spectroscope Electron Spectroscopic Chemical Analysis electron spectroscopy electron spectroscopy, ES electron spectroscopy for chemical analysis electron spectroscopy for chemical a-nalysis electron spectroscopy for chemical analysisesca electron spectroscopy of crystals