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单词 pitch surface
释义

Definition of pitch surface in English:

pitch surface

noun
Mechanics
  • An imaginary surface passing through the teeth of one cogwheel, pinion, rack, etc., so as to touch the corresponding surface in another, without sliding, when the two components are geared together.

Origin

Mid 19th century; earliest use found in Macquorn Rankine (1820–1872), civil engineer and physicist.

Definition of pitch surface in US English:

pitch surface

noun
Mechanics
  • An imaginary surface passing through the teeth of one cogwheel, pinion, rack, etc., so as to touch the corresponding surface in another, without sliding, when the two components are geared together.

Origin

Mid 19th century; earliest use found in Macquorn Rankine (1820–1872), civil engineer and physicist.

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更新时间:2025/7/5 20:34:32