The man shoves the ironcover back over the hole and takes the woman's hand, and together they run grinning down the street.
那男人将井盖盖好,然后拉起女人的手。 随后两人笑着沿着大街跑了。
2
Is mainly the size effect and solidification, shrinkage, stress and other issues clearly, to avoid or reduce the segregation, iron manhole cover deformation and crack defects.