wired wave-carrier measuring meter 有线载波测试仪
carrier measuring meter
载流子测量计
以上为机器翻译结果，长、整句建议使用 人工翻译 。
IC Card and measuring meter which based on power transmission line carrier are the prevalent energy measuring methods which civil and foreign countries apply.
IC卡表及基于电力线载波的计量仪表是目前国内外普遍采用的能耗计量方式。
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