单项选择题
3D打印部件的尺寸范围及材质()
A.300x300x500/SKD61
B.400x400x600/8407
C.250x250x300/1.2799
D.150x150x200/H13
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单项选择题
A.300x300x500/SKD61
B.400x400x600/8407
C.250x250x300/1.2799
D.150x150x200/H13
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