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原装正品3TF43221XB4 DC24V西门子三级直流接触器询价
6SX7010-0FF05/6FX5002-2DC10/3VU13401MJ00/3TF43221XB4原厂
接触器：3TF43221-1XB4,24VDC,带2常 议价
询价-直流24伏接触器2台3TF43221XB4
