How to calculate the contractionstress of semi-rigid pavement is the precondition to solve the problem.
而如何正确计算半刚性基层的收缩应力,则是解决这一问题的前提。
2
Coating and the substrate surface temperature of the coating would have a bad contractionstress, caused by cracking and peeling off the coating.
涂层与基体表面的温度差会使涂层产生收缩应力,引起涂层开裂和剥落。
3
Objective To study the significance of the contractionstress test (CST) on the method of delivery for patients with encirclement of fetal umbilical cord.