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【多选题】
关于图示多点控制线路,以下说法正确的是()。
A.
左图将分散在不同地点的起动按钮(SB4,SB5,SB6)并联实现多点起动
B.
左图将分散在不同地点的停止按钮(SB1,SB2,SB3)串联实现多点停止
C.
右图将分散在不同地点的起动按钮(SB4,SB5,SB6)串联实现三个操作者同时按下按钮才能起动
D.
图中接触器KM常开触点起到自锁作用
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【单选题】C#中执行下列语句后,整型变量x和y的值分别为( )。 int x = 100; int y = ++x;
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