单项选择题

高速脉冲输出Q0.1和Q0.0 时，控制字节地址：
A、相同
B、不同

你可能感兴趣的试题

多项选择题

Which of the following about gas lift valve is correct:

A．It’s a kind of a one-way valve inhibiting fluid backflow.
B．It plays as a channel for incoming fluid and gas.
C．A gas lift valve can decrease the kick off pressure.
D．Gas lift valves are divided into kick-off valves and working valves.

单项选择题

在热带雨林群落，由于单位面积内物种数多，所以最小面积就需要很大。

A．对
B．错