自制工具清理冰箱的散热管的灰尘,节能省钱延寿命

1. you don't have special tools, 2. You don't know how, 3. You never knew you were supposed to. Well, you do need to do it, and I will make this task very easy for you, by showing you how to make easy cheap DIY tools, and showing you how to use them

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