题目内容
公称尺寸相同的相互结合的孔与轴公差带之间的关系称为配合，配合种类有：
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同一公称尺寸，标准公差等级 IT8 比 IT5 的精确程度高。
判断：基孔制配合是以孔为基准孔，其代号为“h”。
41.Which of the following is a process of continuously measuring system results and comparing those results to baseline values that a system seeks to attain?
42.Accuracy, an infrastructure-centric metric, is usually measured inversely as ____.
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