西门子840D数控系统死机进不了系统维修
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6SN1146-1BB00-0DA1,6SN1145-0BA02-0AA2,6SN1145-1BB00-0EA1,6SN2132-1CR11-1BA1
6SN1145-1BB00-0FA1,6SN1145-1BA01-0DA1,6SN1123-1AB00-0HA2,6SN1123-1AB00-0BA2
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6SN1123-1AB00-0CA3,6SN1123-1AB00-0AA2,6SN1123-1AA00-0LA3,6SN1123-1AA00-0BA2
6SN1123-1AA00-0HA2,6SN1145-1BA01-0BA2,6SN1146-1AB00-0BA1,6SN1145-1BA02-0CA2
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