Owing to the peculiarities of the PLC Ladder Logic graphic, there may well be the possibilities of the invalidation in the electric chain lock on the circuit.
由于该系列PL C解算梯形图流程的特殊性，容易引起控制电路中电气联锁环节的失效。
Owing to the peculiarities of the PLC Ladder Logic graphic, there may well be the possibilities of the invalidation in the electric chain lock on the circuit.
由于该系列PL C解算梯形图流程的特殊性，容易引起控制电路中电气联锁环节的失效。
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