B/b

Abbreviation for Bottom bracket

B-battery

A battery once widely used for supplying power for the anode current of valves. Also called anode battery. The UK term is High-tension battery

BBC

Acronym for Bumper to Back of Cab -- the distance from a truck's front bumper to the back of its cab.

BBDC

Acronym for Before bottom dead center

bbl

Abbreviation for Barrel, as in 4-bbl carburetor or as a unit of measurement.

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