高真空管 meaning in Chinese
hard tube
high vacuum pipe
high-vacuumtube
Examples
- Vacuum technology high vacuum collars . dimensions
真空技术.高真空管颈.尺寸 - Vacuum technology . high vacuum rotatable flanges for use with collars . collar retaining rings . dimensions
真空技术.高真空管颈用旋转法兰盘.装配环形件.尺寸