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单词 pallet-wheel
释义

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pallet-wheel
pallet-wheel n. Obsolete
ΚΠ
1793 Philos. Trans. (Royal Soc.) 83 88 The index that is carried round immediately by the pendulum, viz. on the same arbor with the pallet wheel.
1846 Sci. Amer. 17 Oct. 28/2 The verge is kept constantly adjusted to the teeth of the pallet wheel.
1863 Chambers's Encycl. V. 422/1 The pendulum..hangs down behind the pallet-wheel.
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