短语词组短語gearbox x head 變速箱頭head gearbox 鏇翼減速器front head gearbox 前鏇翼減速器rear head gearbox 後鏇翼減速器front end head gearbox 前鏇翼減速器rotor head gearbox 鏇翼減速器frong head gearbox 前鏇翼減速器head breadth gearbox 鏇翼減速器 返回 gearbox head