DEH系统146模块跳线一般设置为()
A.恒压输出
B.恒流输出
C.内环调节器输出
D.比例积分输出
参考答案:A
—Please _____ the computer with something, or it will get dirty easily.
—OK, I'll do it right away. [ ]
A. play
B. wash
C. set
D. cover
如图标志的含义是什么()
A.过水路面
B.注意溅水
C.易滑
D.驼峰桥