medium duty meaning in English

在一般运行条件下工作
中等工作制
中批生产

Light and medium duty linen sewing thread for aerospace purposes
航天航空用轻型和中型亚麻缝纫线
In this paper , three kinds of the front wheel brake drum of a medium duty truck are set up
摘要建立了某中型车前轮制动鼓的三种有限元模型。
Standard test method for static measurements on tires for passenger cars , light trucks , and medium duty vehicles
乘用车轻型载重车和中型车辆的轮胎静态测量的标准试验方法