2毫米是斜切一個圓柱的垂直距離。0.8mm是斜切的起點到吊環底部的垂直距離
本帖於 2025-12-12 00:24:19 時間, 由普通用戶 黃一枚 編輯
WENXUECITY.COM does not represent or guarantee the truthfCCPA ulness, accuracy, or reliability of any of communications posted by other users.
Copyright ©1998-2025 wenxuecity.com All rights reserved. Privacy Statement & Terms of Use & User Privacy Protection Policy