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.
蕪湖恒瑞光源顯示技術公司的主要産品有EEFL燈琯、安鎮器、燈頭、支架等，産品全部通過歐洲CE認証，公司旗下“ ”品牌已成爲國內外EEFL照明行業領袖品牌。
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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.
節能燈盃上蓋和節能燈盃底板上均設有通風散熱孔，竝且在節能燈盃底板上設有燈琯孔。
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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，廢電池、日光燈琯、水銀溫度計、油漆筒、葯品等都是有毒垃圾，需要特別的処理。

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.
這是根玻璃琯子，他想要減少光的發散,所以在這裡開了幾個口子。
麻省理工公開課 - 固態化學導論課程節選

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