机械制图的题目 机械制图的题目
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1\u30012\u3001\u516c\u79f0\u76f4\u5f84\u4e3a12\uff0c\u87ba\u8ddd\u4e3a1.5\uff0c\u516c\u5dee\u5e26\u4ee3\u53f7\u4e3a6g\u7684\u666e\u901a\u7ec6\u7259\u87ba\u7eb9\u30023\u3001\u9f7f\u8f6e4\u3001\u9f7f\u8f6e\u7684\u5de6\u7aef\u9762\u4e0e\u57fa\u51c6\u8f74\u7ebfA\u7684\u5782\u76f4\u8ddd\u79bb\u504f\u5dee\u4e0d\u53ef\u4ee5\u8d85\u8fc70.03mm5\u30012\u5904\u5012\u89d2\uff0c\u5de6\u7aef\u7684\u662fC2,\u53f3\u7aef\u7684\u662fC1.5\u30023\u5904\u9000\u5200\u69fd\uff0c\u4ece\u5de6\u5f80\u53f3\u5f00\u59cb2x2\u30012*0.3\u30012x2\u3002
SA一般位置 AB正垂 AD侧垂
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