BOSSOsomeone who is in charge of all the fire stations in a city or area 消防署署长；消防队队长
Examples from the Corpus
fire chief• Higuchi, a deputy fire chief for Los Angeles County since January 1994.• The bowling alley fire in a neighboring town that killed five firemen when my father was deputy fire chief.• Brown swore in his new fire chief, Bob Demmons, during a ceremony Tuesday morning.• No one the fire chief was.