projection diameter

This paper introduces the system for diameter measurement using projection and magnification method with the linear CCD detector. The paper mainly discusses the method of improving the accuracy and stability.

文中介绍以线阵CCD作为光电传感器的投影放大法线径测量系统，着重分析提高系统稳定性和测量精度的方法。

Microstructure and Properties of Loop Projection Welding Joint Between Large-Diameter Screw Nut and Electrogalvanizing Thin Steel Plate

有闭环（插槽）可以套在螺母或螺栓头上的扳手。厚大螺母与镀锌薄钢板环凸焊接头组织与性能

Ruby-red and silver-flashing lacquer catches your eyes in first sight. Microstructure and Properties of Loop Projection Welding Joint Between Large-Diameter Screw Nut and Electrogalvanizing Thin Steel Plate

宝红闪银烤漆端庄大方，独创的加厚门板更显厚重。厚大螺母与镀锌薄钢板环凸焊接头组织与性能