单词	m-type electron gun
释义	m-type electron gun M型电子枪
随便看	effective length of station track effective length of track effective length of tube effective length of vbelt effective length of v belt effective length of weld effective-length of weld effective lengths of receiving-departure track effective lens aperture effective lethal effective lethal phase effective lethal radius Effective level effective lever arm effective lever arms effectiveley effective liabilities effective liability effective life effective lifetime effective life time effective life-time effective lifetime of minority carrier effective lift effective lift coefficient