2903| 8
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關(guān)于冶煉電爐絕緣,請(qǐng)教 |
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點(diǎn)評(píng)
進(jìn)水、出水管路中都有一段非金屬的絕緣管,這樣管網(wǎng)的通電回路已斷開(kāi),而水中不含正、負(fù)離子時(shí)是不導(dǎo)電的。
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