While most parents think of back-to-school as an exciting time marked by new backpacks, school supplies and outfits, it can also mean stress and anxiety for many children.
Creep damage was marked in some bend which local stress is higher.
有的弯管由于局部应力较高，蠕变损伤明显。
3
The experimental results have shown that through a comparison of cavity diameters and the number of cavities, the former has shown a marked influence on the stress values of 50% explosion probability.