【单选题】三菱FX3U系列PLC中产生周期为1S时钟脉冲的辅助继电器是( )。
【简答题】A.He had many bad habits. B.He had false teeth that were made of wood. C.He established a dental school. D.He once hunted elephants.
【简答题】三菱FX系列PLC的编程元件中,特殊辅助继电器M8012是时间为( )的时钟脉冲,M8013是时间为( )的时钟脉冲。
【单选题】三菱FX3U系列PLC中产生周期为1S时钟脉冲的辅助继电器是()。
【简答题】How many years had the creator Walt Disney had for the dream of Disneyland? He had the dream for ______
【单选题】____ ,but he still could not understand it.
B.
Having been told many times
C.
He had been told many times
D.
Though he had been told many times
【单选题】三菱FX2N系列PLC中产生周期为1S时钟脉冲的辅助继电器是( )
【单选题】_______,but he still could not understand it.
A.
He had been told many times
B.
Having been told many times
D.
Although he had been told many times
【单选题】When he was doing the software development project, he ___________ many problems that he had to solve on his own.