发布时间:2025-01-20 21:14:29
不一定,如果空气中湿度比较大,然后温度在22度左右还有就是铁钉是否合金是否有度层!
集中供暖的暖气如果把进水管开的很小而把回水管开到最大那暖气里的水会是什么情况
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