题目内容

汽油机转速提高,点火提前角应:()。

A. 增大
B. 不变
C. 减小

查看答案
更多问题

传统点火装置中的触点间隙过大,将会影响发动机的()

A. 低速性能
B. 中速性能
C. 高速性能

The couple are unable to have children of their own, but they hope to ____________ a little girl.

These photographs ____________ the essence of working-class life at the turn of the century.

The officials were eager to ____________________ us of the safety of the nuclear reactors.

答案查题题库