“counter pressure casting”的概念、定义、翻译、参考文献-科学参考

单词	counter pressure casting
释义	counter pressure casting Encyclopedia 工学低压铸造释 counter pressure casting差压铸造将铸型及金属液分别放置在上压室和下压室内，浇注时上下压室同时通入压缩气体建立一定压力，然后通过排气或进气方式在上下室之间建立压差，使金属液在压差作用下沿升液管流动，自下而上充填铸型并在一定压力下凝固成型的铸造方法。
随便看	fish genital gland indices fishgrading machine fish graph fish growth equation fish growth pattern fish growth rate fish gutting machine fish gynogenesis fish headcutter fish head kidney fish hypoxia adaptation fish immuneorgans, tissues and cells fish immunology fish incubator fish individual fecundity fish infectious diseases fishing Fishing Alone on Frosty River fishing area fishing assisted equipment fishing boats on the river beside mountains fishing box tap fishing by hook and line fishing chart fishing costs

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。