involute serrations 渐开线锯齿
aorta clamp with serrations 带锯形齿的主动脉钳
rim serrations 轮辋滚花
radial serrations 径向齿纹
For screws with internal serrations 带内细齿的螺钉
Internal and External Serrations 锯齿孔和锯齿轴剖面
·2,447,543篇论文数据,部分数据来源于NoteExpress
"the serrations of a city skyline"
"the pliers had serrations to improve the grip"
"one of the serrations was broken off"
以上来源于: WordNet
N the state or condition of being serrated 锯齿状
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