“Diameter shrinkage”phenomenon

1000 m long great diameter borehole

25mm-Diameter

30 mm diameter

4 inch diameter germanium monocrystal

4mm diameter tube

5 mm diameter tube

50 mm diameter

a circular section with fixed diameter

a filament diameter

Abrasive Diameter Distribution

According to pipe outside diameter

accumulative average diameter

acting pitch diameter

Activated Alumina Beads 3 mm diameter

active diameter

Activity Median Diameter

actual inside diameter

adjust by changing the diameter and revolving

adjustable diameter