针对国内还未制造出功能完善的钢球外观检验机现状，我们设计出了一种基于可编程控制器的钢球外观检验控制系统。
We aimed at the status quo that our country had not produced one machine including all the functions of steel-ball facies inspection and designed the system based on PLC.
针对国内还未制造出功能完善的钢球外观检验机现状，我们设计出了一种基于可编程控制器的钢球外观检验控制系统。
We aimed at the status quo that our country had not produced one machine including all the functions of steel-ball facies inspection and designed the system based on PLC.
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