伺服制动系统是在人力液压制动系统的基础上加设一套动力伺服系统而形成的,是兼用人体和发动机作为制动能源的制动系统。
查看答案
[音频]Listen to an interview about tips for freshman students. For the first time, match the name of the person in the left column with the tip given by the person in the right column. For the second time, check your answer.