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该系统装置并联于电话机的两端,不会影响到电话机的正常使用。
This system is connected to the two ends of the telephone, thus not interrupting the normal use of the telephone.
youdao
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该系统装置并联于电话机的两端,不会影响到电话机的正常使用。
This system is connected to the two ends of the telephone, thus not interrupting the normal use of the telephone.
youdao