Beer ferments inside these huge cylinder-conic tanks .

在这些巨大的圆柱-圆锥状罐子中进行啤酒发酵。

In a process much like making beer , yeast ferments the mixture , producing ethanol .

这个过程非常像制作啤酒，酵母菌发酵混合物，从而产生乙醇。

They mix milled malt with water and reactivated ferments start turning starch which concentration reaches 70 % in grain into brewing sugar .

将研磨好的麦芽和水混合起来，并且使用酵母发酵，开始将淀粉（其谷类浓度达到70%）转换为酿酒用的糖。