单词	石英砂屑岩
释义	石英砂屑岩Quartz arenite
随便看	focusing-- sharp focusing slide focusing solenoid focusing soller-slit system focusing spectrometer focusing system focusing travel focusing tube focusing-- two-directional focusing type probe focusing-- velocity focusing x-ray tube focusing或focussing focusing， alternating-gradient focusing， angular focusing， beam focusing， directional focusing， double focusing， double-directional focusing， electrostatic focusing， force focusing， gas focusing， high-order focusing， magnetic focusing， permanent-magnet