projection rule meaning in Chinese
投射规则
Examples
- Removed cuts which place along projection rules can be omitted the projection direction labeling
移出断面按投影关系配置，可省略投射方向的标注。 - While it may not be necessary to use six orthographic views depending on part complexity , the front , top and right views are preferred , if all the six views are needed , they must accord with the projection rules and should be arranged as shown in fig . 2 , and meantime the view names needn ' t be signed
选用原则：并非任何机件都需要画出六个基本视图，应根据机件形状的复杂程度和结构特点，选用若干个基本视图，一般情况下优先选用主、俯、左视图。