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导读:投影仪跑焦是因为机器内部的热胀冷缩原因所造成,平时最直接的解决方法就是进行二次调焦 ,让投影画面再度清晰 。另外 ,消费者在选购投影仪时也可尽量选择全玻璃镜头和全金属镜筒的产品。当你满心欢喜收到自己心...
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