Comparing the practical examples of manufacturing rubber products by different curing molds points out that the designing of mold structure is an efficient way of improving-pro duct quality.
介绍经使用不同类别橡胶硫化模型制造橡胶产品的实例比较，指出模型结构设计是提高产品质量的有效途径。
Introduces the composition and application of a microcomputer pro-gram used for designing and calculation checking of gear shaver, shaper cutter and hob-ber.
介绍剃齿刀、插齿刀、滚齿刀的微机设计和校验计算程序的编制及其应用。
It is first raised that safety coefficient can be calculated by using the widths of yield zone and pillar, and the steps of designing the strip mining size are pro-posed.
首次提出了根据屈服带宽度和条带煤柱宽度来确定条带开采安全系数的方法，同时给出了设计条带开采尺寸的步聚。
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