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最佳答案:Test,to switch to 1.5 times through maximum rated current 220A,rated voltage swi
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最佳答案:1、额定容量 rated capacity2、空载损耗 no-load loss3、负载损耗 load loss4、空载电流 no-load current5、
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最佳答案:Technique parameterPower supply:The electricity presses the AC210/230 Vs,50 HzsF
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最佳答案:A single device rated capacityNumber of devicesDesign pressureMaximum working pr
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最佳答案:1,hoist engine2,fixed pulling force of steel wire rope 3,steel wire rope mean ve