发布时间:2025-01-22 23:46:33
应该叫卤素光源。
卤素光源是最常见的车灯光源之一。由一般的白炽灯演变而来。原理是在灯泡内注入碘或溴等卤素气体,在高温下,升华的钨丝与卤素进行化学作用,冷却后的钨会重新凝固在钨丝上,形成平衡的循环,避免钨丝过早断裂。因此卤素灯泡比白炽灯更长寿。
800钢管壁厚10cm焊接一道口需报价多少钱800的管道组对焊接一道口需要多少钱
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