测量单位 帝国度规这两个

规范

Shapeform	管 油管
O.D.(中)	没有偏好11又1/21 1/41 1/81 3/41 5/81 7/81/161/21/41/822 1/42.50033 1/23 1/43/163/43/85/165/87/167/89/16
O.D.(毫米)	没有偏好1.5911.1112.7014.2915.87515.8819.0522.2325.4028.583.1831.7538.104.7641.2844.4547.6350.8057.156.3563.57.9476.2082.5588.909.53
(厚度)	没有偏好0.010.0120.0160.020.0250.0280.0350.0490.0580.0650.0720.0830.0840.0950.0960.1090.120.1250.1340.1900.250.375
厚度(毫米)	没有偏好0.2540.3050.4060.5080.63500.7110.71120.88901.24461.47321.65101.82882.10822.13362.41302.43842.76863.04803.17503.40364.8266.35009.5250