“riser”的概念、定义、翻译、参考文献-科学参考

单词	riser
释义	riser Encyclopedia 工学铸型释 riser冒口为了补偿金属液凝固收缩，避免铸件出现缩松缩孔缺陷，而在铸型中附加的用于补充金属液的空腔。也指该空腔内金属液凝固后形成的块体。 Physics riser提升装置，立管
随便看	center circle center collision center driven ball mill center drive thickener centered centered affine geometry centered affine group centered affine mapping centered affine space centered affine transformation centered coordinate system centered cubic number centered difference centered Euclid space centered family of sets centered hexagonal number centered homographic transformation centered moment centered pentagonal number centered polygonal number centered process centered quadric curve centered quadric surface centered random variable centered rarefaction wave

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。