Iseloomustav gaasikogumistoru kirjeldab piklikku gaasikindlat mahutit, mille kummaski otsas on üks ventiil ja tavaliselt on sellel mahutil maht mõõdetud, on silindrikujuline ja klaasist.
The characterization gas collecting tube describes an oblong gas-tight container with one valve at either end, and usually such a container has a gauged volume, has a cylindrical shape and is made of glass.
