serrations is serration's Plural Form

serration

US 
UK 
  • n.锯齿(状);锯齿形(突起)
  • Web刀刃上是否需要锯齿;锯齿形花键轴;刃部形成锯齿
Plural Form:serrations  
n.
1.
锯齿(状);锯齿形(突起)

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Definition:
Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard
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