单词 | ground detector |
释义 | > as lemmasground detector ground detector n. any instrument which is used to detect an accidental connection to earth in a circuit. ΘΚΠ the world > matter > physics > electromagnetic radiation > electricity > transmission of electricity, conduction > conduction to earth > [noun] > instrument detecting connection ground detector1904 1904 B. V. Swenson & B. Frankenfield Testing Electro-magn. Machinery I. 36 Figure Q shows a General Electric Ground Detector. 1958 Van Nostrand's Sci. Encycl. (ed. 3) 768/1 Lamp type ground detectors are used to a considerable extent on low-voltage circuits because they are reliable and cheap. < as lemmas |
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