咬合垂直高度
occlusal vertical dimension
高度安全的数据管理系统
HSDMS Highly Secure Data Management System
最低安全高度
best forecasting frequency
不垂直度误差
Non-perpendicularity between horizontal axis and vertical axis
Non-perpendicularity between horizontal axis and v
侧壁垂直度
verticality of the sidewall
sidewall angle
测斜管垂直度
uprightness of test-tilted pipe