题目内容

农机产品"三包"有效期从什么时间计算?

查看答案
更多问题

什么是第一型冷锋?

简述GSF-6A型高频收发信机的工作原理。

客人损坏餐具怎么办?

In common rail engines, the fuel is() before is injected into the cylinders.

A. stored in a common fuel line
B. pumped by the injection pump
C. at low pressure
D. already atomized

答案查题题库