Multiplayer shells assembly have characteristic, which are high dimension precision, strict form and position tolerance, difficult bond technology and etc.
多层壳体组件具有尺寸精度高、形位公差要求严、粘接难度大等特点。
High cast precision can satisfy the need of the production of cast metal sticks strict in tolerance.
铸造精度高，可满足公差要求严格铸造金属棒生产的需要。
The main advantage of powder metallurgy sintered gear is high precision, tolerance, low noise, good wear resistance, low cost, suitable for mass production.
粉末冶金烧结齿轮的主要优点是精度高，公差小、噪音低、耐磨性好、价格低廉，适合于大量生产。
And optics require high-precision lenses with tight tolerance: Light is not a forgiving medium – think how even a slight ripple is noticeable in a glass.
和光学要求高精度镜头公差：光不是一个宽容的媒体 -想怎么连一个微小的波动是明显的，在一个玻璃。
A new precision forming technology was presented, which uses an ordinary forging machine and a high precision rotary forging machine to make the closed-tolerance semi-axle bevel gear forgings.
论述了精锻汽车差速器半轴齿轮原模具结构存在的问题，改进了锻造工艺和锻件设计，设计了新型粗锻模和精压模。
A new precision forming technology was presented, which uses an ordinary forging machine and a high precision rotary forging machine to make the closed-tolerance semi-axle bevel gear forgings.
论述了精锻汽车差速器半轴齿轮原模具结构存在的问题，改进了锻造工艺和锻件设计，设计了新型粗锻模和精压模。
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