规格:
30*30 10mI,30*40 15mI,30*50 20mI,30*60 25mI,30*70 30mI,30*80 40mI,30*110 55mI,30*120 60mI,30*150 80mI,30*180 100mI,30*200 110mI,47*50 50mI,47*60 60mI,47*70 90mI,47*80 100mI,47*90 120mI,47*100 130mI,47*120 150mI,47*150 200mI,47*180 240mI,47*200 260mI