By the aided of numerical simulation technique we can not only accurate picture the cavity filling process also can predict mouldingfault among the die casting et al.
借助于数值模拟技术不仅能较准确的描述铸液的充型过程，而且能预测铸件内部的成型缺陷等。
2
Fault diagnosis and maintenance technique for the hydraulic system of plastic-injection moulding machine are analytical from theory to practice in this paper.
文章从理论和实践方面对注塑机液压系统故障诊断与维修技术进行了分析研究。
3
Fault diagnosis and with skilled maintenance technique for the hydraulic system of plastic-injection moulding machine ensure that the plastic-injection moulding machine works efficiently and reliably.