It is introduced in brief that the domestic and foreign employed situation of straight welded casing, manufacture technology and production condition, and some researches being done at present.
简要介绍了直缝焊套管国内外使用情况，生产技术以及国内外生产现状，目前正在进行的一些试验研究工作。
It has reference role to the researches, manufacture and the usage of straight welded casing in our nation.
对我国有关单位今后研究、生产、使用直缝焊接套管有参考作用。
With the continuously improvement of the production and manufacture technology of tubing and casing, current API 5c3 model can not predict the actual casing strength.
随着套管制造工艺的不断改进和制造水平的显著提高，现有的A PI5c3模型已不能正确地预测套管的实际抗挤强度。
With the improvement of the production and manufacture technology of casing, the actual collapse strength of casing cannot be accurately calculated by present API 5C3 formula.
随着套管制造工艺水平的不断提高和制造质量的显著改进，现有的API5C3公式已不能正确的预测套管实际抗挤抗内压强度。
The rotor casing of the permanent-magnet motor has the advantages of simple structure, simplified manufacturing process, easy assembly and operation and low manufacture cost.
本发明中永磁电机转子外壳结构简单，制造工 艺简化，装配操作容易，制作成本低。
The invention relates to the battery manufacture technology field, in particular to a zinc manganese dry battery adopting a steel casing as the container, and the production process thereof.
本发明涉及电池制造技术领域，具体涉及一种采用钢壳作为容器的碳性锌锰干电池及其制造工艺。
The invention relates to the battery manufacture technology field, in particular to a plastic casing zinc manganese dry battery, the production process and the special die thereof.
本发明涉及电池制造技术领域，具体涉及一种塑壳锌锰干电池及其制造工艺和专用模具。
The invention relates to the battery manufacture technology field, in particular to a plastic casing zinc manganese dry battery, the production process and the special die thereof.
本发明涉及电池制造技术领域，具体涉及一种塑壳锌锰干电池及其制造工艺和专用模具。
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