governorn.统治者；管理者；理事；州长；总督；调节器governor gear调速器齿轮governor body调节器壳体governor pole调速杆governor ball离心调速器飞锤governor motor调速器电动机,调速马达governor valve调速阀,调节阀governor droop调速器下降特性governor model调速器模型governor slide调节器滑阀governor shaft调速器轴