正等测的轴向伸缩系数近似值是多少？ Which choice is the factors of isometric drawing ？

大学网课 2022-08-10 21:31:52 已帮助人

正等测的轴向伸缩系数近似值是多少？ Which choice is the factors of isometric drawing ？

A．p=q=r=0.82

B．p=q=r=1

C．p=q=r=1.22

D．p=q=1,r=0.5

正等测的轴向伸缩系数近似值是多少？ Which choice is the factors of isometric drawing ？

热搜：导热系数单位W/m.k的含义

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p=q=r=1