题目内容

方程组消元的过程也就是把方程里某些未知数的系数变为____(填数字)的过程。

查看答案

搜索结果不匹配？点我反馈

更多问题

A simplified mechanical _____ has an inlet and an outlet valve .

A. pump
B. filter
C. tank
D. case

The end of the rocker arm is operated by an eccentric on the______.

A. crankshaft
B. camshaft
C. countershaft
D. input shaft

In the EFI system, it is possible to have systems using only one injector per engine or one injector per ______.

A. piston
B. cylinder
C. crankpin
D. stroke

Fuel is injected into the area around the throttle valve, where air velocity is at a ______.

A. minimum
B. maximum
C. middle
D. fit