正确地使用石墨坩埚,对坩埚使用寿命有极大关系。不少工厂由於使用不当,坩埚熔化七八次甚至四五次后就发生裂缝而报废。本文译自“苏联里加坩埚工厂石墨坩埚使用须知”说明书,目前我国生产的坩埚质量虽然还不及苏联,但在使用方面来说,仍不失为一个可贵的参考资料。——编者 Correct use of graphite crucible, crucible life has a great relationship. Many factories due to improper use, crucible melting seven or eight times or even four or five times after the cracks occurred and scrapped. This article is translated from the instructions of “Crucible Usage Guide of Crucible in Soviet Riga Crucible Factory”. Although the quality of crucible produced in our country is less than that of the Soviet Union at present, it is still a valuable reference in terms of using. --editor