?组合砂箱
... 组合模型pattern assembly 组合砂箱built-up molding box 组合砂心盒multiple core box ...
?组成砂箱
... 组成构件 built-up member 组成砂箱 built-up molding box 组成模型 built-up pattern ...
英汉双解词典包含3185865条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。