coiled-coil filament螺线: spiral; spire; helix; helica ...式: type; style灯丝: directly heated cathode; ele ...螺线式灯丝灯泡: coiled-coil lamp会聚式灯丝: focusing type filament下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:螺线式灯丝，即可在微信中查询翻译
