Now, it turns out this is actually based on this set of Penrose tiles, which are reducible to these shapes.

它其实是基于这组彭罗斯砌块，最终可以简化为这些图形。

And these biofabricated bricks are nearly three times stronger than a concrete block.

这些生物砖的强度几乎是混凝土砌块的三倍。

Only now the tents are gone, replaced by multistory cinder block tenements.

只是现在帐篷不见了， 取而代之的是多层煤渣砌块公寓。

With precast products like pavers and blocks, you might shoot steam into the curing chamber to try to accelerate the curing process.

对于摊铺机和砌块等预制产品，您可以将蒸汽喷射到固化室中以尝试加速固化过程。

He built his new house like a vault, with thick walls made from concrete blocks to protect his writing and papers from fire.

他将自己的新房子建造得像一个拱顶，厚厚的墙壁由混凝土砌块制成，以保护他的文字和文件免受火灾。