底径的英文

• bottom diameter
• root diameter

• 底    bottom; base
• 径    footpath; path; track
• 螺纹底径    bottom diameter of thread; bottomdiameterofthread; core diameter of thread; diameter at bottom of thread; thread root diameter
• 螺纹内径, 螺纹底径    bottom diameter
• 底净空    underclearance
• 底颈肉名菜    best end of neck
• 底卷边    bottom hem
• 底进模口法    bottom gating
• 底开车    light hopper wagon
• 底襟，里襟    under layer button placket
• 底开袋    open ended bag
• 底襟    under closure; under fly; underclosure
• 底开口多臂机    dobby for lowering
• 底金属清洗    cleaning

• Core diameter of thread
  螺纹底径
• Some kind cylinder liner request measure nine parameters : inside and outside diameters in different positions , width of the boss of the part , hydraulic packing trough bottom diameter , shoulder place fillet partial diameter , and so on
  某型气缸套要求测量九个参数:不同位置内外径,凸台宽度,以及水封槽底径和肩台处的圆角部分的直径等。