工艺-物体结构的坚固性
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TIFFANY_TEOH
Author's Instructions
物体结构的坚固性是指物体所能承受的外来压力或者物体抗断裂、抗变形的能力
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Gravitační síla
- Science
- 5th grade
من داخل الحاسوب
- Science
- 5th grade
Created by

物体结构的坚固性是指物体所能承受的外来压力或者物体抗断裂、抗变形的能力