Relationship between Finishing Groove Design and Negative Allowance Control of Hot Rolled Ribbed Steel Bars 热轧带肋钢筋负公差控制与成品孔槽设计的关系
To have an interference or force fit between mating parts, the tolerances must be such as to create a zero or negative allowance. 为了使配合零件之间具有过盈或强制配合,公差必须产生零或负允差。
Make use of Negative Allowance of Concrete Wall and Slab to Saving Resource& QC group overcome the difficult problems in the construction 利用混凝土墙、板负公差节约资源&QC小组攻克施工难题