铜锍吹炼的产物是粗铜，欠吹和过吹都会导致粗铜质量不合格。
Blister copper is the product of converter blowing. Under blowing and over blowing cause the copper unqualified.
我的世界无欠无余，要发生的自会发生，吹凑一池春水、 干卿底事。
They just happen and leave me unconcerned, for in my world nothing ever goes wrong.
吹填土地基作为欠固结土，其真空预压加固过程比较复杂，初始条件和边界条件也比较复杂。
The reclaimed soil foundation is consolidated, and its vacuum preloading consolidation process is very complex, so are the boundary and initial conditions.
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