型号规格尺寸SMJ-1818*25.3*3SMJ-2020*30.7*4SMJ-2222*32.7*4SMJ-2525*35.7*4SMJ-2828*38.7*4SMJ-3030*40.7*4SMJ-3535*45.7*4SMJ-3636*46.7*6SMJ-4040*55.1*6SMJ-4545*60.1*6SMJ-5050*65.1*6SMJ-5555*70.1*6SMJ-5656*71.1*6SMJ-6060*75.1*6SMJ-6565*80.1*6SMJ-7070*85.1*6SMJ-7575*90.1*6SMJ-8080*95.1*6SMJ-8585*100.1*6SMJ-9090*105.1*6SMJ-100100*115.1*6SMJ-125125*140.1*6SMJ-140140*155.1*6