The principle and method of applying laser technology to the lens centering are discussed. The merits of it are high efficiency and accuracy.
本文介绍了激光技术应用于光学透镜定心的加工原理和方法，它具有高效率、高精度的优点。
2
The paper described in detail the way and workmanship of centering of double head universal coupling during shafting alignment onboard high performance crafts that have flexible hulls.
本文详细阐述了具有柔性船体的高性能船体上轴系对中过程中双头万向联轴节的定位法和工艺。
3
The thickened high strength shell provides accurate gear centering and high mechanical effectively.