钢结构外筒由24条斜向立柱、水平斜向环和斜撑组成。
The external frame is composed of 24 inclined concrete - filled columns, steel horizontal ring beams, and steel diagonals.
把用玻璃制成的外筒(1)套放置在用玻璃制成的内筒(2)的外面。
The outer cylinder (1) made by glass is nested out the inner cylinder (2) made by glass.
并使外筒与内筒之间有间隙(4)，把间隙内的空气抽少成真空(3)。
Gaps (4) are left between the outer cylinder and the inner cylinder, and air in gaps is pumped into vacuum (3).
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