n.

the spiracle of a cetacean located far back on the skull

a hole for the escape of gas or air

同義詞：ventventholevent-hole

Blowholes
Blowholes
Blowholes
Spouting horn Blowholes
BLOWHOLES Spouting hornBlowholes
The Harmfulness of Blowholes in PTH Soldered Assemblies
The development of blowholes in the ice/water/carbon dioxide system
Blowholes of the Binding Surface between Casting Bronze and Steel Workpiece and Prevention
Reduction of blowholes in high-speed arc welding of hot-dip galvanised steel sheets
Reduction of blowholes by vibration of the molten pool in arc welding of galvanised carbon steel sheet
Reduction of Blowholes by the Vibration to Molten Pools in Arc Welding of Galvanized Carbon Steel Sheets
Shallow caves and blowholes on the Nullarbor Plain, Australia — Flank margin caves on a low gradient limestone platform
EFFECT OF RARE EARTH ELEMENTS ON THE FORMATION OF GAS BLOWHOLES IN CAST ALUMINUM ALLOY