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我矿主副井提升绞车现使用焦作华飞公司产JTDK-ZN型PLC电控系统,在使用过程中我们发现了几处不甚完善的地方,并加以改进,取得了满意的效果。
My mine shaft auxiliary hoist is now using Jiaozuo Huafei JTDK-ZN-type PLC-based electronic control system, we found in the course of several less perfect place, and to be improved, and achieved satisfactory results.