平灯丝的英文

• uniplanar filament

• 平:    flat; level; even; smooth
• 灯丝:    directly heated cathode; ele ...
• 灯丝:    [电子学] directly heated cathode; electron-tube heater; filamentary cathode; filament-type cathode; lamp filament
• 螺口平灯头:    flat bulb socket with edison cap; screw batten lamholder; screw batten lamp holder
• 暗灯丝:    dim filament