air r horn空气喇叭;空气报警器
carburetor air-horn化油器进气喇叭口
pull on the air-horn handle拉响汽笛
low tone air horn低音风喇叭
air horn solenoid气喇叭电磁线圈
air horn solenoid valve气喇叭电磁阀
air horn valve气喇叭阀
compressoroperated air horn电动气喇叭