focusing tube的意思|示意

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focusing tube相关短语

1、 focusing tube of camera 摄影机调焦管

2、 magnetic focusing indicator tube 磁聚焦指示管

3、 micro focusing X-ray tube 微聚焦X射线管

4、 electrostatic focusing indicator tube 静电聚焦指示管

5、 mask focusing colour tube 荫罩聚焦彩色显像管

6、 mask focusing color tube 荫罩聚焦彩色显象管

7、 Reflexible and focusing evacuated tube 聚光型真空集热管