平稳密切面
stationary osculating plane
半自动清密平面磨床
semi-auto precision plain grinder
精密平面磨床
precision surface grinding machine
precision horizontal surface grinding machine
precision horizontal surface grinder
精密平面抛光机
precision plane polishing machine
密切面
osculation plane
AI and ND recombined vaccine
平面密排钢珠系统
a plane system of closely arranged steel balls
自动精密平面磨床
automatic precision plain grinder