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型號(hào):6ES7253-1AA22-0XA0
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型號(hào):6ES7231-7PC22-0XA0
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型號(hào):6ES7223-1PM22-0XA0
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型號(hào):6ES7223-1PH22-0XA0
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型號(hào):6ES7223-1BH22-0XA0
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型號(hào):6ES7222-1BD22-0XA0
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型號(hào):6ES7216-2BD23-0XB8