有三面的 trihedral
- 这个线性组织使住宅内几乎所有的空间都有三面的曝光。
This linear organization allows almost all of the spaces of the house to have three exposures. - 学校里也用三面的有盖子的木头箱子来放食物和保护流浪猫。
The campus also uses three-sided, covered wooden boxes to house the food and protect the cats. - 介绍带台阶并在圆柱体上有三棱面的粉末冶金村套的材料配方、压制方法和模具结构。
Material compoSition, compacting method and die structure of P/M bush with step and prismatic surface on cylinder were outlined.
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