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单词 friction-machine
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friction-machine
friction-machine n. (see quot. 1884).
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the world > matter > physics > electromagnetic radiation > electricity > [noun] > electricity generated by friction > machine generating
plate machine1775
friction-machine1802
plate electrical machine1849
1802 Med. & Physical Jrnl. 8 478 An isolated electric pile, or a friction machine of Nairn, positive and negative, and also isolated.
1884 E. H. Knight Pract. Dict. Mech. Suppl. 357/2 Friction Machine, an electric machine, generating electricity by contact with amalgamated silk.
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