手工测量内长:21/13.7cm, 22/14.2cm, 23/14.7cm, 24/15.2cm, 25/15.7cm
26/16.3cm,27/17.2cm,28/17.7cm,29/18.3cm,30/19cm
手工测量内长:21/13.7cm, 22/14.2cm, 23/14.7cm, 24/15.2cm, 25/15.7cm
26/16.3cm,27/17.2cm,28/17.7cm,29/18.3cm,30/19cm