这些风机有很多新特征，一种优化的叶片设计，带有后部的襟翼向轮毂扩展，预浇注的混凝土基础。
These turbines are equipped with a number of new features: an optimized blade design with a spoiler extending down to the hub, and a pre-cast concrete base.
通过采用控制出钢终点碳和预脱氧，加强精炼脱氧和出钢软吹，做好保护浇注等措施，降低了钢中氧含量。
The measures of controlling aim carbon content and pre-deoxidation, consolidating refining deoxidation and light blow after steel tapping, protective casting, etc.
在模具内浇注预养好的坯体，由翻转吊装机构将模具整体经空中翻转90度后放置于切割小车上进行脱模。
Mould the base body in the mould, and lay on the cutting trolley for demoulding after turning the cast mould over 90 degree by the upset hoist.
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