- Working medium inlet and exhaust non-return valve s balance hole for Stirling engine is introduced.
- Axial force is balanced by back vane or balanceable hole, for the specification with big radial force; we adopt double-wear passage design.
- His strength in a crisis is an ace in the hole.
- Look at the holes that have been worn in this rug.
- The enemy's shells made great holes in the ranks.
- She performed on the balance beam with much grace.