本文介绍可以提高重型载重汽车安全性和操纵性的新颖的复式气压制动系。这种装置将前轮和后轮制动分作两路,其特点是:紧急和常用制动由同一机构操纵,二者几乎可以替换使用。现在已被采用在美国福特汽车公司1970年生产的L系列载重车上。文中简要地介绍了它的结构、作用、部分零件的材料,以及产品的质量检验等。 This article describes a novel dual pneumatic brake system that improves the safety and handling of heavy duty trucks. This device is divided into two front and rear wheel brake brake, which is characterized by: emergency and common brake by the same body manipulation, the two can be used almost replaced. It has now been adopted on the L-series truck manufactured by Ford Motor Company in 1970. The article briefly introduces its structure, function, part of the parts of the material, as well as product quality inspection.