| 单词 | pitch diameter |
| 释义 | Definition of pitch diameter in English:pitch diameternoun Mechanics
OriginEarly 19th century; earliest use found in Abraham Rees (1743–1825), Presbyterian minister and encyclopaedist. Definition of pitch diameter in US English:pitch diameternoun Mechanics
OriginEarly 19th century; earliest use found in Abraham Rees (1743–1825), Presbyterian minister and encyclopaedist. |
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