常不(bú )易以火钳将(jiāng )盛着(zhe )金(jīn )汁的坩埚给夹了(le )出(chū )来。当坩(gān )埚一离开炉(lú )火,他马(mǎ )上就用(yòng )火钳夹着它,快速向铁砧(zhēn )跑去。到了它(tā )旁边后(hòu ),他用一只(zhī )手握住火钳,另(lìng )一只手(shǒu )开始(shǐ )向铁砧上空一尺处,缓(huǎn )缓打出一道内力。当这道内力到达铁砧(zhēn )上空(kōng )后,他握住火(huǒ )钳的那只(zhī )手向上(shàng )一抬,使得坩埚(guō )高过那(nà )道内力所在的位置(zhì )。随即,他极快(kuài )速地一翻手腕,