针对精细加工设计精细切割头及光学镜片，确保精细加工效果。
Precision laser head and optical lens are adopted for precision processing effects.
介绍了用于光测电压的晶体的选择与晶体加工设计中的光轴选定原则。
This paper introduces the selection of crystal used for voltage measurement with optic, and the principle for selecting the optic axle.
面临国内外市场一体化的新格局，我国矿机生产企业应该转变设计观念，采用先进的加工设计方法。
Because the market is merged into a national whole, the producing mine mechanism companies should change their designing idea and adopt advanced designing and machining method.
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