4804| 16
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油缸油液加熱問題 |
評分
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點(diǎn)評
對啊,!為啥這么高�,。∫簤河屠硐牍ぷ鳒囟�40-50度
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點(diǎn)評
熱的流體密度小自然往上浮,,上面的冷的自然下沉,大俠參照太陽能熱水器的熱管加熱水的原理
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