asphalt pavement chuck hole
Artificial digging hole for RC piles
bevel for combined thickness
bevel for inside thickness
bevel for let-off side shaft
bevel for outside thickncss
Case-Hardened Steel for Gear
drill hole for in-situ leaching
gear for fine adjustment of draft
lining plate for grinding roll
Model for end stage liver disease score
new manufacturing techniques for grinding tools
Observation hole for water level
open hole for excavating to non-opening
Polyester Fibre for for spinning
Technology hole for core cleaning