英语词汇pre-grinding hob怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	pre-grinding hob
释义	pre-grinding hob 简明释义磨前齿轮滚刀网络释义 1 ?磨前齿轮滚刀定义中文名称：磨前齿轮滚刀英文名称： pre-grinding hob 定义：在工件齿廓侧面(有时在底面)留出一定磨削余量的滚刀。应用学科：机械工程（一级学科）；刀具（二级学科）；刀具名称（二级学科）以上内容由短语 1 pre grinding hob 磨前滚刀 2 pre-grinding hob used 磨前滚刀 3 protuberance type pre-grinding hob 凸角型磨前滚刀双语例句 1 Gives a new method which designs tooth forms of pre-grinding hob according to thepartical demands on hob of gear, and designs a kind of pre-grinding hob used in high-speed traction gears. 根据高速牵引齿轮对齿轮滚刀的特殊要求，提出了设计磨前滚刀齿形的新方法，并用此法设计了高速机车牵引齿轮的磨前滚刀。
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