导体
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(导(dǎo )体(tǐ ),导(dǎo )体(tǐ ))
具(jù )有(yǒu )大(dà )量(liàng )自(zì )由(yóu )电(diàn )荷(hé ),容(róng )易(yì )传(chuán )导(dǎo )电(diàn )流(liú )的(de )物(wù )质(zhì )。这(zhè )种(zhǒng )物(wù )质(zhì )也(yě )容(róng )易(yì )导(dǎo )热(rè )。一(yī )般(bān )金(jīn )属(shǔ )都(dōu )是(shì )导(dǎo )体(tǐ )。
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