The light shape and the traditional incandescent lamp, it USES singlefilament, power of 4.4 watts, a service life of 40000 hours.
这款灯的外形与传统白炽灯相同，它使用单片灯丝，功率为4. 4瓦，寿命长达4万小时。
2
This dispenses with the heat. Also, instead of having a single metal filament release the electrons, it relies on myriad carbon nanotubes to do the same thing.
这个过程无需高温，而且用大量纳米碳管取代了单金属灯丝释放电子。
3
Used for testing breaking tenacity, elongation at break of single yarn made of cotton, wool, jute, core-spun yarn etc, at the same time including synthetic fibre filament, textured yarns.