UID:97507
图片:1582166753284.jpg
内容来自Android手机客户端
UID:169731
UID:14303
图片:d0a2e56001d5b03a2c99c191e1481f59_origin.jpg
内容来自iPhone手机客户端
UID:168771
UID:12043
cjbbbb:12直径半径是6 4是2 (2020-02-20 11:03)
E.June:用游标卡尺卡出a,b,c,就可以算出来了[图片] (2020-02-20 10:59)
UID:164204
felix_zlj:是螺纹孔,所以bca的值不好测。 (2020-02-20 11:26)
UID:25955
UID:169052
UID:146172
UID:35193