The casting is easy to suffer from deformation, surface sink and internalshrinkage.
该铸件容易变形和产生表面缩凹、部缩孔。
2
When the content exceeds 03%, the underside shrinkage is enclosed and the internalshrinkage moves upwards gradually.
二者加入量大于03％时，底部缩孔封闭，内部缩孔位置逐渐上移。
3
The inefficiency of retailer suppliers, internal accounting errors and an increasing rate of employee theft all weigh in on India's high shrinkage score.