沸腾钢在铸锭前不脱氧或轻度脱氧.In the case of rimming steel, no or some deoxidation is carried out before casting.由于废弃的部分小,沸腾钢的成材率较高.With small portion to be scrapped rimming steel has a high yield of good steel....
Strings of dusty niggers with splay feet arrived and departed.一帮帮污头垢面的黑人,脚向外张,进进出出,络驿不绝.His fingers splay out in a star shape.他的手指呈星形张开。His fingers splay out in a star shape...他的手指呈星形张开。Cowhocks, weak pasterns, straight ...
本文叙述了陶瓷泥浆成形用五水偏硅酸钠制造工艺和影响因素,简要介绍了其在陶瓷行业中的应用.This paper describes the preparation technology and influential factors to Metasilicate pentahydrate for ceramic slip casting.在五水四氯化锡存在下,由氯乙酸和正丁醇合成氯乙酸正丁酯.Synthesis of n - butyl...