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难道是不难，就是品种太多了，掌握了一个品种，不见得就可以使用另外一个品种。
111111
(快乐老家)
(#297564@0)
Last Updated: 2001-12-13
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请问一下，我目前在多伦多一汽车配件厂工作，干的是设备维修。现我想Part-Time学习PLC课程，不知PLC的前景如何？对我今后发展是否有帮助？谢。
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