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用投影仪测量某些工量具的部分尺寸是常用的测量方法。如果在“上光”产的台式投影仪上加一个定位装置(图1),则可提高工作效率,而且扩大了测量的范围。一、结构与使用定位装置由三把定位刀与V型铁组成。三
It is common practice to measure part of the dimensions of some tools with projectors. Adding a pointing device to a “glossy” desktop projector (Figure 1) increases productivity and expands the measurement range. First, the structure and use Positioning device consists of three positioning knife and V-shaped iron. three