BRECO同步带同步带轮直边齿形尺寸和公差节线代号bwhg+1.5rbrt2δMXL0.84&plu***n;0.050.69200.350.130.508XXL1.14&plu***n;0.050.84250.350.30.508XL1.32&plu***n;0.051.65250.410.640.508L3.05&plu***n;0.102.67201.191.170.762H4.19&plu***n;0.133.05201.61.61.372XH7.90&plu***n;0.157.14201.981.982.794XXH12.17&plu***n;0.1810.31203.963.183.048)