bulb beam

基本解释

HID Conversion Kit; HID Lamp; Sealed Beam; Halogen bulb; head lamp; PAR lamp;
氙气灯；镇流器；聚光灯泡；卤钨灯泡；
fob123.com
LED bulb delivers highly intense beam with an approximate lifetime of 100,000 hours.
LED灯泡提供了一个近似的100，000小时寿命高强度的光束。
The method of the invention is also suitable for the production of other thin-wall sections such as I-beam, U-beam, flat bulb steel, angle steel, etc.
本发明方法对工字钢、槽钢、球扁钢、角钢等其它薄壁型材的生产也十分适用。
ip.com

Pulsars are a special type of neutron star that rotates rapidly, emitting a beam of high-energy that spins much like the bulb in a lighthouse.
MSN: Runaway star may be fastest pulsar yet - Technology & science - Space - Space.com NBC News