规格㎜***小内径㎜***大外径㎜规格㎜***小内径㎜***大外径㎜43.856.801918.6023.7054.707.702019.6024.7065.758.502524.6030.7587.7011.353231.5038.0109.7013.853837.4046.101211.6515.855150.0059.001312.6516.856462.5074.001514.6519.357573.0085.001615.6520.3510097.00111.50)