double concave glass 双凹透镜
Its fixed electrode is concave glass surface layer is made of gold.
它的固定电极是在凹曲的玻璃表面上镀金属层而制成。
At the core of Wright's system was a standardized 4x12x24-inch concrete or glass block with concave edges.
Wright系统的核是一个标准化的4x12 x 24英寸的带凹面的混凝土或玻璃砖块。
A concrete roof with concave sides sits atop scooped glass and wood walls at this house in Portugal, which is captured in a film starring a child on a red tricycle.
位于葡萄牙的这座房子，采用了凹面混凝土屋顶、玻璃以及木墙，其灵感来自一个孩童和一辆红色三轮车主演的电影。
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