熔炉里的2000吨熔融玻璃中，几个过程——熔化、精炼、均质化——在同时进行。
Several processes—melting, refining, homogenising—take place simultaneously in the 2000 tonnes of molten glass in the furnace.
第一种连续的带状制作过程涉及到利用两个高温滚轴挤压熔融玻璃，类似于过去的轧棉机。
The first continuous ribbon process involved squeezing molten glass through two hot rollers, similar to an old mangle.
这些种子实际上是陨石球粒：冷却后变成玻璃球和水晶球的毫米级熔融状硅酸盐小液滴。
These seeds are actually chondrules: millimeter-sized melted droplets of silicate material that were cooled into spheres of glass and crystal.
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