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编号：BI-003版本：A/1页次：1/
编号：BI-003
版本：A/1
页次：1/44
日期：TIME\@MMMMd，yyyyJuly16，
目录
第一章、识图技能
第一节、工程识图··························································2
第二节、尺寸基本公差····················································6
第三节、形状和位置公差····················································7
第二章、某些量规仪器使用
第一节、规定精度与量规仪器················································11
第二节、游标卡尺使用····················································12
第三节、高度规使用······················································13
第四节、分厘卡使用······················································14
第五节、百分表使用······················································17
第六节、平台使用························································19
第七节、万能角度尺使用··················································19
第八节、直角尺使用······················································24
第九节、V型块使用·······················································24
第十节、牙规使用························································24
第十一节、扭力计使用····················································25
第十二节、投影仪使用····················································25
检查原则
第一节、检查办法··························································27
第二节、金属件及其加工品质原则············································27
第三节、喷油品质原则······················································31
第四节、包装材料品质原则··················································34
第四章、检查办法
第一节、披锋检查办法····················································35
第二节、直线度检查办法··················································37
第三节、平面度检查办法··················································38
第四节、平行度检查办法··················································39
第五节、垂直度检查办法··················································41
第六节、同轴度检查办法··················································42
编号：BI-003版本：A/1页次：2
编号：BI-003
版本：A/1
页次：2/44
日期：TIME\@MMMMd，yyyyJuly16，
识图技能
第一节、工程识图
1、体投影
体投影，实质上构成该体所有面投影总和。运用点、线、面投影规律，就可以分析体投影（如下图1-1）。
平面ABCD和平面EFGH都是水平面，平面AEFB和DHGC都是正垂面，这四个正面投影都积聚成直线。先后两个平面BFGC和AEHD分别为
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