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读懂下列投影图,并将正面投影改为半剖面图。

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2020-05-30 14:36:40
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科目:机械制图
学科:机械工程
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根据组合体的立体图,选择其主视方向,完成其三面投影图,并标注尺寸。注:绘图尺寸由立体图直接测量后圆整,按比例1:1绘制。
已知八棱柱被截切后的正面投影和侧面投影,试完成其水平投影。
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