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Why are projection headlights generally outer low beam and inner high beam, which is a common reflective bowl?
The main consideration is the safety of passing vehicles at night. If the high beam uses a reflective bowl on the inside, it can reduce the stimulation to the oncoming driver. Moreover, if you pay attention to observation, the illumination height of the left high beam is higher than that of the right high beam for cars with a general100000 or more, which is also the reason. I just bought a car, so I made a special trip to the service station, thinking that there was something wrong with the lamp installation. I played a joke and learned a lot.
Some car full projection headlights are also out of this consideration.
I hope you are satisfied. If possible, you can turn on the high beam and compare the difference between the left and right.
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