vt. pressurize
misc. pressure maintaining
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保压压力 Holding Pressure ; dwell pressure ; Packing Pressure ; Hold Pressure
保压岩心筒 [油气] pressure core barrel
保压阀 pressure retaining valve ; Sustaining Valve
有保有压 the development of some industries while restricting the growth of others ; maintain expenditures in some areas while reducing them in others
动态保压注塑 dynamic packing injection molding
保压取心 pressure coring
重量式保压阀 weight type pressure retaining valve
保压停车 stopping at maintaining position
制动保压 [铁路] service lap
Four factors, viz. injection pressure, melt temperature, injection rate and packing pressure, are selected in the experiments. The optimum tensile strength and processing conditions are predicted and a good agreement with the experimental results is obtained.
6．论文利用Taguchi方法设计了L9实验矩阵，分析了注射压力、熔体温度、注射流率和保压压力等工艺因素对具有熔接线和无熔接线试样的力学行为影响程度，预测了最优的拉伸强度和工艺条件，与实验取得了很好的一致。
参考来源 - 基于数值模拟的注塑成型工艺优化和制品性能研究·2,447,543篇论文数据，部分数据来源于NoteExpress
保压时间太短：重量不足，产品内部空洞，尺寸偏小。
Too short holding time: Not enough weight, empty inside, small dimension.
在同样的压型压力下，保压时间对合金性能的影响较弱。
The influence of dwell time for alloy performance is weak comparatively.
保压时间的确定以浇口冷凝为依据。通过产品称重来确定。
Holding time is determined by the solidification time of the gate. We decide it according to the weight.
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