D dimension is minimum clearance for screen removal.
尺寸是过滤网拆卸的最小间隙。
It is the minimum clearance space intended between mating parts and represents the condition of tightest permissible fit.
它是配合零件之间最小的预期间隙空间，代表着允许的最紧配合条件。
Disk rotation balance week, will go to a certain point of view, the local emergence of the greatest axial clearance or minimum clearance space.
平衡盘转动一周，会在转到某一角度时，局部出现轴向间隙的最大间隙或最小间隙。
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