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单词 acme thread
释义

Definition of acme thread in English:

acme thread

noun
Mechanics

  • A type of screw thread having flat apexes and valleys (as in a square thread), but with the sides of the threads inclined at an angle of 29 degrees.

Origin

Early 20th century.

Definition of acme thread in US English:

acme thread

noun
Mechanics

  • A type of screw thread having flat apexes and valleys (as in a square thread), but with the sides of the threads inclined at an angle of 29 degrees.

Origin

Early 20th century.
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更新时间：2025/7/4 21:46:38