focus tube

聚焦x线管  detail>>

double focus tube

双焦点球管  detail>>

double-focus tube

双焦点管  detail>>

dual-focus tube

双焦点管  detail>>

fine focus tube

细聚焦管  detail>>

focus mask tube

栅孔聚焦式显象管  detail>>

internal magnetic focus tube

内磁聚焦式电子束管  detail>>

line focus tube

线焦点管 线性焦点 行聚焦管  detail>>

line-focus tube

线聚焦 线路聚焦管  detail>>

post deflection focus tube

偏转后聚焦管  detail>>

ultra fine focus tube

超小焦点球管  detail>>

cross-focus x-ray tube

交叉聚焦x线管  detail>>

double-focus x-ray tube

双焦点  detail>>

fine focus x ray tube

细聚焦x射线管  detail>>

fine focus x-ray tube

小焦点x线管  detail>>

fine-focus x-ray tube

细聚焦x射线管  detail>>

focus grill type color tube

聚焦栅型彩色显象管  detail>>