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单词 pitch block
释义

Definition of pitch block in English:

pitch block

noun ˈpɪtʃ blɒk
  • In metalworking: a block with a slightly yielding surface made from a mixture including pitch, on which metal objects are placed during engraving or embossing.

Origin

Late 19th century; earliest use found in Edward H. Knight (1824–1883), patent lawyer and expert in mechanics. From pitch + block.

 
 

Definition of pitch block in US English:

pitch block

nounˈpɪtʃ blɒk
  • In metalworking: a block with a slightly yielding surface made from a mixture including pitch, on which metal objects are placed during engraving or embossing.

Origin

Late 19th century; earliest use found in Edward H. Knight (1824–1883), patent lawyer and expert in mechanics. From pitch + block.

 
 
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更新时间:2024/11/11 4:18:46