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serration的英文翻譯是什麼意思，詞典釋義與在線翻譯：
英英釋義
Noun:
-
the condition of being serrated;
"the serrations of a city skyline"
-
a row of notches;
"the pliers had serrations to improve the grip"
-
a single notch in a row of notches;
"one of the serrations was broken off"
serration的用法和樣例：
辭彙搭配
- external serration 外細齒
- involute serration 漸開線鋸齒
- internal serration 內細齒,三角形內齒...
- taper serration 斜鋸齒形,錐形鍵...
