filamentary造句
2024年06月27日 22:18:39
U 4 triode connected: Medium MU small mass
filamentary heating structure.
三极管接法): 中Mu小型灯丝结构.
Low MU Thoriated Tungsten
filamentary heating structure.
低Mu敷钍灯丝结构.
High MU Thoriated Tungsten
filamentary heating structure.
高Mu敷钍灯丝结构.