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| 单词 | guard-brush |
| 释义 | > as lemmasguard-brush guard-brush n. (on an electric railway) a metallic brush by means of which the current is conveyed to the motor. ΘΚΠ society > travel > rail travel > rolling stock > [noun] > locomotive > parts of electric railway traction unit guard-brush1888 nose suspension1894 nose1907 pantograph1907 dead man's handle1908 1888 Science 21 Dec. 302/1 The current is conveyed from the guard-brushes and the wheels to the motor, and through the other rail to the ground [on an electric railway]. < as lemmas |
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