light tube

基本解释

The main products include EEFL light tube, inverter, light cap and support with the CE certificate. The Brand has been in ahead of the EEFL lighting trade home and abroad.
芜湖恒瑞光源显示技术公司的主要产品有EEFL灯管、安镇器、灯头、支架等，产品全部通过欧洲CE认证，公司旗下“ ”品牌已成为国内外EEFL照明行业领袖品牌。
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The upper cover and base plate of energy-saving lamp cup are provided with holes for ventilation and heat dissipation, and the base plate is provided with a light tube hole.
节能灯杯上盖和节能灯杯底板上均设有通风散热孔，并且在节能灯杯底板上设有灯管孔。
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Besides, what people should pay attention to is that used battery, the light tube of daylight lamp, mercury thermometer, paint pot and medicine are all toxic wastes, which need special disposal.
另外，需要注意的是，废电池、日光灯管、水银温度计、油漆筒、药品等都是有毒垃圾，需要特别的处理。

Conventional colonoscopy is performed with a long, flexible tube called a colonoscope that is equipped with a tiny fiber-optic video camera and light at the end.
It is a glass tube. He wants to narrow the light so he puts a couple of slits here.
这是根玻璃管子，他想要减少光的发散,所以在这里开了几个口子。
麻省理工公开课 - 固态化学导论课程节选

When nearly 30 years ago Dr. Jacob Fraden invented an ear thermometer working on this second principle, the infrared light sensor was so large that he needed a narrow gold-plated reflective tube to channel the light from the ear drum to the sensor.
FORBES: Body temperature.
His device will reportedly stream damp air containing microscopic water particles through a tube, while a laser diode beams light through the vessel onto a sensor located on the opposite side.
ENGADGET: Inventor patents laser microphone