液力制动是利用制动油液,将()转换为(),通过管路传至车轮制动器,再将油液压力转变为()的机构推力。
参考答案:制动踏板力;油液压力;制动蹄张开
Edison was ______ in science, when he was only five years old.[ ]
A. interesting
B. interested
C. more interested
D. the most interesting
()
A.A
B.B
C.C
D.D