Việt
tỷ trọng kế bọt khí
Anh
air bubble density meter
cannon hole
gas bubble
air pocket
air void
bead
bled
blister
Đức
pneumatisches Dichtemeßgerät
pneumatisches Dichtemeßgerät /nt/TH_BỊ/
[EN] air bubble density meter
[VI] tỷ trọng kế bọt khí
air bubble density meter, cannon hole, gas bubble
air bubble density meter, air pocket, air void, bead, bled, blister