sealed tube meaning in English
封闭管
密封管
Examples
- Detail specification for disk - seal tube of type fm24
电子管fm24型盘封管详细规范 - Detail specification for disk - seal tube of type fm22
电子管fm22型盘封管详细规范 - Detail specification for disk - seal tube of type fm25
电子管fm25型盘封管详细规范 - Detail specification for disk seal tube of type 6c18t
6c18t型盘封管详细规范 - Test method for sealed tube chemcal compatability test
密封管化学兼容性试验的试验方法