触摸屏与PLC之间可以使用RS—232接口通信。

1、正确
2、错误
查看答案
正确答案:
答案解析:
上一题
你可能感兴趣的试题

____beforewedepartthedayaftertomorrow,weshouldhaveawonderfuldinnerparty.

A、Hadtheyarrived
B、Wouldtheyarrive
C、Weretheyarriving
D、Weretheytoarrive

Theradiois________astrangesignal.What’swrongwithit?

A、givingup
B、givingin
C、givingout
D、givingaway

U.S.News____________rankingsofcollegessince1983.Theyareaverypopularresourceforstudentslookingtoapplytouniversitycampus.

A、maintains
B、ismaintaining
C、maintained
D、hasbeenmaintaining

Heconcludedhisspeechwitharemarkthatfailure____themotherofsuccess.

A、musthavelasted
B、willhavelasted
C、wouldlast
D、haslasted

Sometimesabus____getsonthebustocheckthetickets.

A、agent
B、officer
C、conductor
D、inspector
热门试题 更多>
相关题库更多>
技师(二级)
高级等级证(三级)
中级电工证(四级)
初级电工证(五级)
试卷库
试题库