五层电梯的PLC控制

有谁懂得五层电梯的PLC控制的毕业论文，万分感谢

I'm running an English team called Senior Wri-English, or in Chinese, "高端书面英语". You can find this team through 【外语学习|英语写作|Senior Wri-English】. We can be added to three teams at the same time, so we aren't opposite but cooperative.