Other companies grumble about a lack of gearboxes and bearings.其他公司也因为变速箱和轴承缺货而怨声不断.For use in most machine tool bearing & gearboxes lubricated by circulating system.可用于工具轴承 及 齿轮箱循环系统.Suitable for use in enclosed industr...

gearboxes的音标：...

n.变速箱，变速器( gearbox的名词复数 )...