Primary researches on the groove density variations of bending grating were experimented.
对压弯光栅的线密度进行了实验研究。
2
This is useful in evaluating the primary membrane stress and the secondary bending stress in vessels.
这有助于计算容器的一次薄膜应力和二次弯曲应力。
3
Results show that the primary cause to the laminar defect of the umbrella bone steel in the process of cold bending to U-shape is the severe carbon segregation in the steel band.