每日彩票
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◆RS-232接口 ◆ 瞬时值测量方式◆自动及手动换档 ◆最大/最小值锁定◆手动/自动关机 ◆CAL正电位器,可外接电〖源 ◆国际规范:IEC Pub 651 Type2 , TYPE 2 CLASS
