Description
从技术角度来讲，保证PLC在复杂的工业环境下的高可靠性仍然是很多新加入小型PLC领域的厂家面临的技术难题。从创新角度来讲，持续的大规模的研发投入是不断创新，满足市场的日益增长的需求的保证，而这种投入对许多厂家来说也是很大的考验。从市场开发角度来看
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