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单词 ground wire
释义

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ground wire
ground wire n. Telegraphy (a) (see quot. 1892); (b) U.S. an earth wire, i.e. a wire that is connected to earth, either directly or through another earthed conductor (the usual sense).
ΚΠ
1892 T. O'C. Sloane Standard Electr. Dict. (1893) 281 Ground-wire, a metaphorical term applied to the earth when used as a return circuit.
1910 Hawkins' Electr. Dict. Ground Wire.
1922 J. C. Wright Automotive Repair II. 208 If the ground wire is disconnected the generator will build up an excessive pressure within itself.
1966 McGraw-Hill Encycl. Sci. & Technol. (rev. ed.) XIV. 54/1 Lines built where severe thunderstorms are prevalent are equipped with overhead ground wires..for intercepting the lightning stroke and leading it to ground at the nearest tower.
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