空气中的水蒸气遇冷会在车灯透镜罩内产生珠状凝结，从而严重影响汽车车灯的照明和外观。
The illumination and appearance of automotive lamps shall be affected severely due to the condensed beads in lamp cover when the water vapour met with cold air.
通常，由于不同的反射镜和透镜使用，整个车灯组装就必须替换在切换到HID灯。
Usually, due to the different reflectors and lenses used, the whole headlight assembly will have to be replaced during the switch to HID lamps.
通常，由于不同的反射镜和透镜使用，整个车灯组装就必须替换在切换到HID灯。
Usually, due to the different reflectors and lenses used, the whole headlight assembly will have to be replaced during the switch to HID lamps.
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