词汇	Arable land grading
释义	Arable land grading 农用地分等
随便看	direct current interruption direct-current ionisation chamber direct current iontherapy direct current IP direct current IP method direct current item direct current Josephson effect direct current keying direct current key pulsing direct-current key pulsing direct current ladle furnace direct current level direct-current level direct current light emitting diode direct current line direct current load direct current locomotive direct-current locomotive direct current machine direct-current machine direct current machines direct-current magnet direct current magnetic field Direct current magnetic susceptibility direct current magneto