常温涂塑钢管制造工艺研究 - 范文大全 柳下惠社区 关键词：涂塑钢管 制造工艺 常温 大口径 [gap=988]ey words: plastic-coated steel tube; manufacturing techniques; room temperature; big caliber
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Big caliber straw 大口吸管
big caliber piping 大口径管道
big caliber gas pipe 大口径烟气管道
big-caliber space antenna 大口径空间天线
big caliber capillary column 大口径毛细管柱
big-caliber plastic drainpipe 大口径塑料排水管
It is applicable to big ranges of pressure, temperature and caliber, especially to the pipeline of moderate or big caliber.
闸阀适用的压力、度及口径范围很大，尤其适用于中、口径的管道。
A rigorous vector grating analysis approach BKK approach, which can be used to analyze the big caliber and big view binary optical system, is introduced.
详细地介绍了一种可用于分析大口径大视场二元光学系统的光栅矢量分析法BKK方法。
The main contents of this paper include:(1) With the method of finite element numerical simulation, forming process of big caliber flange (JB/T4700-2000) was analyzed.
采用有限元数值分析方法，对高颈对焊法兰（国标JB/T4700-2000）的工艺过程进行了数值模拟分析。
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