PLC程序中END指令的用途是()。
A.物程序结束,停止运行;
B.指令扫描到端点,将进行新扫描;
C.指令扫描到端点,有故障;
D.a、b、c都是。
参考答案:B
The company has made it clear that any application form _______ until now properly will not be
accepted. [ ]
A. not having been filled
B. not filled
C. not being filled
D. not to be filled
液压泥炮由几部分组成?