摘要
根据本刊与民主德国《铸造技术》杂志相互刊登论文意向书规定,1989年度德方推荐本文在本刊发表。本文原载《Gieβereitechnik》1989年第4期。本刊亦将相应论文推荐给对方编辑部。
By the stipulations of the statement of intent to publish theses mutually in CFM (China Foundry Machinery) and in GTK(Giessereitechnik,Foundry Technology)of the German Democratic Republic,The thesis is recommended by GTK to publish in CFM for the year of 1989.This paper originally published in the 4th issue of GTK in1989.In the meantime,CFM will present correspondent thesis to GTK's editorial office for publication.