研制了一种利用滚柱并通过楔形结构实现制动增力的新型增力式车轮制动器，该结构可使制动蹄受力合理、磨损均匀，为中、重型汽车采用液压制动提供了有效的途径。

A new type of servo brake which provides a increased brake torque by a roller and a wedge structure, whose advantages are its ideal force on brake shoes and even wear, has been developed.

youdao

研制了一种利用滚柱并通过楔形结构实现制动增力的新型增力式车轮制动器，该结构可使制动蹄受力合理、磨损均匀，为中、重型汽车采用液压制动提供了有效的途径。

A new type of servo brake which provides a increased brake torque by a roller and a wedge structure, whose advantages are its ideal force on brake shoes and even wear, has been developed.

youdao