范成刀具 generating cutting: 范成法; 滚齿切削法; 滚切法cutting tools: 裁剪工具; 刀具; 割削工具; 切削工具制造gear-cutting with generating method: 仿形法切齿; 展成法切齿alloy for cutting tools: 切悉具合金carbide cutting tools: 合金刀具下载手机词典可随时随地查词查翻译