提出一种改进的虚裂纹闭合技术(VCCT)对轮胎带束(一种复合材料结构)不同脱层长度下的应变能释放率进行了计算。
In this paper, a modified VCCT (Virtual Crack Close Technology) is developed to compute strain energy release rates of tire belt (a kind of composite structure) under different delamination lengths.
一个夜晚，一家人把年迈体虚的老母亲送到了敬老院，希望她在那里能得到悉心的照顾。
One evening a family brings their frail 1, elderly mother to a nursing home and leaves her, hoping she will be well cared for.
该设备能自动对具有一定规格的无纺布进行虚切复卷，是生产筒装湿巾的理想设备。
This machine, which can perform dot cutting and winding of nonwoven fabrics with certain sizes, is ideal for production of cylinder wet tissues.
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