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单词 change wheel
释义

> as lemmas

change wheel
change wheel n. any of a set of gear wheels, each having a different number of teeth, which can be substituted for one another in a gear train in order to vary the speed at which it operates.
ΚΠ
1814 Repertory Arts, Manuf., & Agric. 26 144 The required speeds, both of travelling and twisting motions, are adjustable by change wheels.
1925 Pop. Mech. Feb. 266/2 Almost any type of thread can be cut on the tool with a set of change wheels.
2001 Model Engineer 186 112/4 The combinations of change wheels I have are..diverse.
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