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单词 magnetic brake
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magnetic brake
magnetic brake n. a friction brake that is actuated magnetically.
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society > occupation and work > equipment > machine > parts of machines > wheel > [noun] > brake > types of
friction-brake1874
hydraulic brake1874
band-brake1889
magnetic brake1899
strap brake1902
solenoid brake1914
anti-lock1968
1899 Sci. Abstr.: Physics & Electr. Engin. 2 572 Using a magnetic brake, which acts upon the fly-wheel of the driving engine.
1922 R. Glazebrook Dict. Appl. Physics II. 323/1 In magnetic brakes..an electromagnet..is held just above the rail to which it is attracted upon excitation.
1980 J. H. Price Source Bk. Trams 11/1 Magnetic brake, spring-mounted brake shoes which cling to rails when magnetized electrically.
extracted from magneticadj.n.
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