snorkels

n.

breathing device consisting of a bent tube fitting into a swimmer's mouth and extending above the surface; allows swimmer to breathe while face down in the water

air passage provided by a retractable device containing intake and exhaust pipes; permits a submarine to stay submerged for extended periods of time

同义词：schnorkelschnorchelsnorkel breatherbreather

Snorkels
SNORKELS
Snorkels, flexible tubes, mouthpieces and methods
Early Experience with Snorkels and Chimneys for Expanding the Indications for Use of EVAR
Commentary: use of chimneys, snorkels, and periscopes to preserve aortic branches during endograft repair
Early Experience with Snorkels and Chimneys for Expanding the Indications for Use of Endovascular Aneurysm Repair
Advanced endografting techniques: snorkels, chimneys, periscopes, fenestrations, and branched endografts
uses macrophyte snorkels to pupate under water. With notes on pupae of additional European genera of Scirtidae (Coleoptera)
Treating the paravisceral aorta with parallel endografts (chimneys and snorkels)
Erratum to “Part Two: Against the Motion. Fenestrated EVAR Procedures are not Better than Snorkels, Chimneys, or Periscopes in theT...