英漢例句雙語例句In case of fire, the meltdown first occurs in metal welded at low melting points and the decorative slice drops off.當(dāng)火災(zāi)發(fā)生時，裝飾片與支架之間的低熔點(diǎn)焊接金屬首先熔化，裝飾片脫落。metal meltdown更多例句詞組短語短語contact metal meltdown 觸頭熔焊metal meltdown更多詞組