光学投影仪 meaning in English
optic projector
optical projector
opticprojector
Examples
- Optical projector , tension tester , pressure tester and torsiometer are the testing instru - ments . testing results can be typed automatically
检测设备有光学投影仪、拉、压、扭力测试仪，检测结果由测试仪自动打印。