q=simatic+s7%5C-200%E5%8F%AF%E7%BC%96%E7%A8%8B%E6%8E%A7%E5%88%B6%E5%99%A8%E5%8E%9F%E7%90%86%E4%B8%8E%E5%BA%94%E7%94%A8&searchType=standard&isFacet=true&view=standard&rows=10&sortWay=score&sortOrder=desc&curlibcode=GS&searchWay0=marc&logical0=AND
rows=10&curlibcode=GS&searchWay0=marc&logical0=AND
SIMATIC S7-200可编程控制器原理与应用