The material was made using a technique called hot mixing.

该材料是使用一种称为热混合的技术制成的。

Hot mixing's key role was an educated guess.

热混合的关键作用是一个有根据的猜测。

Hot mixing, they thought, would ultimately produce a cement that wasn't completely smooth.

他们认为，热混合最终会产生不完全光滑的水泥。

Hoping nothing explodes Hot mixing is not how modern cement is made.

希望没有爆炸 热混合并不是现代水泥的制造方法。

They used hot mixing and watched.

他们使用热混合并观察。

Just ten hours of layin' hot mix asphalt next to a swamp full of mosquitoes.

不过是连续十个小时在满是蚊子的沼泽旁铺热沥青。

The researchers suspected the key was something called " hot mixing." It uses dry bits of calcium oxide, a mineral that's also called quicklime.

研究人员怀疑关键在于所谓的“热混合”。它使用干燥的氧化钙，一种也称为生石灰的矿物质。