长度：100mm 3*6mm 4*8mm 6*10mm 7*15mm 8*20mm 9*25mm 10*30mm 12*35mm 12*40mm 17*50mm 18*60mm 18*70mm 20*40mm 3*8mm 4*10mm 6*15mm 6*20mm 7*25mm 7*30mm 8*35mm 8*40mm 9*50mm 10*60mm 10*70mm 10*80mm 10*100mm 3*5mm