?投影柱面
... 投影 projection 投影柱面 projecting cylinder 椭球面 ellipsoid ...
[数]?射影柱
... projecting coping 挑出的压顶 projecting cylinder 投射筒; 射影柱 projecting diamond 斜井字 ...
?投射筒
?投影柱
... 投影锥 projecting cone 投影柱 projecting cylinder 射影[图]形 projecting figure ...
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。